22120021022 has 16 divisors (see below), whose sum is σ = 37174680432. Its totient is φ = 9782809920.

The previous prime is 22120021013. The next prime is 22120021031. The reversal of 22120021022 is 22012002122.

It is an interprime number because it is at equal distance from previous prime (22120021013) and next prime (22120021031).

It is a junction number, because it is equal to n+sod(n) for n = 22120020988 and 22120021006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13586423 + ... + 13588050.

It is an arithmetic number, because the mean of its divisors is an integer number (2323417527).

Almost surely, 2^22120021022 is an apocalyptic number.

22120021022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22120021022 is a deficient number, since it is larger than the sum of its proper divisors (15054659410).

22120021022 is a wasteful number, since it uses less digits than its factorization.

22120021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27174523.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22120021022 its reverse (22012002122), we get a palindrome (44132023144).

The spelling of 22120021022 in words is "twenty-two billion, one hundred twenty million, twenty-one thousand, twenty-two".