1057051622220 has 72 divisors (see below), whose sum is σ = 3253272948912. Its totient is φ = 256254936960.

The previous prime is 1057051622183. The next prime is 1057051622267. The reversal of 1057051622220 is 222261507501.

It is a super-2 number, since 2×1057051622220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72792439 + ... + 72806958.

Almost surely, 2^{1057051622220} is an apocalyptic number.

1057051622220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057051622220 is an abundant number, since it is smaller than the sum of its proper divisors (2196221326692).

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

1057051622220 is a wasteful number, since it uses less digits than its factorization.

1057051622220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145599431 (or 145599418 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 1057051622220 in words is "one trillion, fifty-seven billion, fifty-one million, six hundred twenty-two thousand, two hundred twenty".