2257720017070 has 32 divisors (see below), whose sum is σ = 4794273662976. Its totient is φ = 749105258400.

The previous prime is 2257720017043. The next prime is 2257720017139. The reversal of 2257720017070 is 707100277522.

It is a super-2 number, since 2×2257720017070² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520209816 + ... + 520214155.

It is an arithmetic number, because the mean of its divisors is an integer number (149821051968).

Almost surely, 2^{2257720017070} is an apocalyptic number.

2257720017070 is an abundant number, since it is smaller than the sum of its proper divisors (2536553645906).

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

2257720017070 is a wasteful number, since it uses less digits than its factorization.

2257720017070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040424016.

The product of its (nonzero) digits is 96040, while the sum is 40.

The spelling of 2257720017070 in words is "two trillion, two hundred fifty-seven billion, seven hundred twenty million, seventeen thousand, seventy".