99997100022 has 32 divisors (see below), whose sum is σ = 205179752448. Its totient is φ = 32472157536.

The previous prime is 99997100017. The next prime is 99997100029. The reversal of 99997100022 is 22000179999.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99997100029) 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, 407173 + ... + 604800.

It is an arithmetic number, because the mean of its divisors is an integer number (6411867264).

Almost surely, 2^99997100022 is an apocalyptic number.

99997100022 is an abundant number, since it is smaller than the sum of its proper divisors (105182652426).

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

99997100022 is a wasteful number, since it uses less digits than its factorization.

99997100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012404.

The product of its (nonzero) digits is 183708, while the sum is 48.

The spelling of 99997100022 in words is "ninety-nine billion, nine hundred ninety-seven million, one hundred thousand, twenty-two".