2057157705222 has 24 divisors (see below), whose sum is σ = 4498830873576. Its totient is φ = 679310643456.

The previous prime is 2057157705221. The next prime is 2057157705233. The reversal of 2057157705222 is 2225077517502.

It is a happy number.

2057157705222 is a `hidden beast` number, since 2 + 0 + 5 + 7 + 1 + 57 + 70 + 522 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057157705221) 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, 534047323 + ... + 534051174.

It is an arithmetic number, because the mean of its divisors is an integer number (187451286399).

Almost surely, 2^{2057157705222} is an apocalyptic number.

2057157705222 is an abundant number, since it is smaller than the sum of its proper divisors (2441673168354).

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

2057157705222 is a wasteful number, since it uses less digits than its factorization.

2057157705222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068098612 (or 1068098609 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 45.

The spelling of 2057157705222 in words is "two trillion, fifty-seven billion, one hundred fifty-seven million, seven hundred five thousand, two hundred twenty-two".