1022257555026 has 32 divisors (see below), whose sum is σ = 2062720968000. Its totient is φ = 337729144896.

The previous prime is 1022257554911. The next prime is 1022257555027. The reversal of 1022257555026 is 6205557522201.

It is not an unprimeable number, because it can be changed into a prime (1022257555027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992776 + ... + 1740723.

It is an arithmetic number, because the mean of its divisors is an integer number (64460030250).

Almost surely, 2^{1022257555026} is an apocalyptic number.

1022257555026 is an abundant number, since it is smaller than the sum of its proper divisors (1040463412974).

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

1022257555026 is a wasteful number, since it uses less digits than its factorization.

1022257555026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734058.

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 1022257555026 in words is "one trillion, twenty-two billion, two hundred fifty-seven million, five hundred fifty-five thousand, twenty-six".