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10220221002228 = 223997854247827
BaseRepresentation
bin1001010010111001010010…
…1001000111000111110100
31100012001011202220021122020
42110232110221013013310
52314422003034032403
633423034341233140
72103246414104466
oct224562451070764
940161152807566
1010220221002228
11329040a351506
1211908b74027b0
135919bb880c73
142749389c4136
1512acb873a453
hex94b94a471f4

10220221002228 has 24 divisors (see below), whose sum is σ = 23871101305632. Its totient is φ = 3403323338784.

The previous prime is 10220221002227. The next prime is 10220221002239. The reversal of 10220221002228 is 82220012202201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10220221002198 and 10220221002207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220221002227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427111950 + ... + 427135877.

It is an arithmetic number, because the mean of its divisors is an integer number (994629221068).

Almost surely, 210220221002228 is an apocalyptic number.

It is an amenable number.

10220221002228 is an abundant number, since it is smaller than the sum of its proper divisors (13650880303404).

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

10220221002228 is a wasteful number, since it uses less digits than its factorization.

10220221002228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854248831 (or 854248829 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 10220221002228 its reverse (82220012202201), we get a palindrome (92440233204429).

The spelling of 10220221002228 in words is "ten trillion, two hundred twenty billion, two hundred twenty-one million, two thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 997 1994 2991 3988 5982 11964 854247827 1708495654 2562743481 3416991308 5125486962 10250973924 851685083519 1703370167038 2555055250557 3406740334076 5110110501114 10220221002228