222010009957 has 2 divisors, whose sum is σ = 222010009958. Its totient is φ = 222010009956.

The previous prime is 222010009939. The next prime is 222010010107. The reversal of 222010009957 is 759900010222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193957444836 + 28052565121 = 440406^2 + 167489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222010009957 is a prime.

It is a super-2 number, since 2×222010009957² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222010009937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005004978 + 111005004979.

It is an arithmetic number, because the mean of its divisors is an integer number (111005004979).

Almost surely, 2^222010009957 is an apocalyptic number.

It is an amenable number.

222010009957 is a deficient number, since it is larger than the sum of its proper divisors (1).

222010009957 is an equidigital number, since it uses as much as digits as its factorization.

222010009957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 222010009957 in words is "two hundred twenty-two billion, ten million, nine thousand, nine hundred fifty-seven".