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10220222001222 = 236232983127997
BaseRepresentation
bin1001010010111001010010…
…1100111011000001000110
31100012001011211210001000000
42110232110230323001012
52314422003313014342
633423034414502130
72103246425435142
oct224562454730106
940161154701000
1010220222001222
11329040a974022
1211908b7804946
135919bbb4089c
14274938ba4222
1512acb888644c
hex94b94b3b046

10220222001222 has 448 divisors, whose sum is σ = 25333413396480. Its totient is φ = 3080780220672.

The previous prime is 10220222001217. The next prime is 10220222001229. The reversal of 10220222001222 is 22210022202201.

10220222001222 is a `hidden beast` number, since 1 + 0 + 220 + 2 + 220 + 0 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10220222001195 and 10220222001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220222001229) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 10250974428 + ... + 10250975424.

It is an arithmetic number, because the mean of its divisors is an integer number (56547797760).

Almost surely, 210220222001222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10220222001222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12666706698240).

10220222001222 is an abundant number, since it is smaller than the sum of its proper divisors (15113191395258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10220222001222 is a wasteful number, since it uses less digits than its factorization.

10220222001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10220222001222 its reverse (22210022202201), we get a palindrome (32430244203423).

The spelling of 10220222001222 in words is "ten trillion, two hundred twenty billion, two hundred twenty-two million, one thousand, two hundred twenty-two".