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22210401222 = 2325323281343
BaseRepresentation
bin10100101011110101…
…111101001111000110
32010022212210021200200
4110223311331033012
5330441330314342
614111525551330
71414252203222
oct245365751706
963285707620
1022210401222
119468213199
12437a275546
13212c60b659
141109aad782
1589ed3e94c
hex52bd7d3c6

22210401222 has 24 divisors (see below), whose sum is σ = 49030510464. Its totient is φ = 7263778704.

The previous prime is 22210401221. The next prime is 22210401259.

22210401222 is a `hidden beast` number, since 22 + 21 + 0 + 401 + 222 = 666.

22210401222 is nontrivially palindromic in base 10.

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 = 22210401195 and 22210401204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210401221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11639718 + ... + 11641625.

It is an arithmetic number, because the mean of its divisors is an integer number (2042937936).

Almost surely, 222210401222 is an apocalyptic number.

22210401222 is an abundant number, since it is smaller than the sum of its proper divisors (26820109242).

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

22210401222 is a wasteful number, since it uses less digits than its factorization.

22210401222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23281404 (or 23281401 counting only the distinct ones).

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

The spelling of 22210401222 in words is "twenty-two billion, two hundred ten million, four hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 954 23281343 46562686 69844029 139688058 209532087 419064174 1233911179 2467822358 3701733537 7403467074 11105200611 22210401222