22100001022 has 16 divisors (see below), whose sum is σ = 36253836144. Its totient is φ = 10020400000.

The previous prime is 22100001017. The next prime is 22100001023. The reversal of 22100001022 is 22010000122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100001023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243729 + ... + 1261372.

It is an arithmetic number, because the mean of its divisors is an integer number (2265864759).

Almost surely, 2^22100001022 is an apocalyptic number.

22100001022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22100001022 is a deficient number, since it is larger than the sum of its proper divisors (14153835122).

22100001022 is a wasteful number, since it uses less digits than its factorization.

22100001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505515.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22100001022 its reverse (22010000122), we get a palindrome (44110001144).

The spelling of 22100001022 in words is "twenty-two billion, one hundred million, one thousand, twenty-two".