22120402422 has 32 divisors (see below), whose sum is σ = 44561518848. Its totient is φ = 7320208736.

The previous prime is 22120402417. The next prime is 22120402429. The reversal of 22120402422 is 22420402122.

It is a super-2 number, since 2×22120402422² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120402429) 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, 438433 + ... + 486275.

It is an arithmetic number, because the mean of its divisors is an integer number (1392547464).

Almost surely, 2^22120402422 is an apocalyptic number.

22120402422 is an abundant number, since it is smaller than the sum of its proper divisors (22441116426).

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

22120402422 is a wasteful number, since it uses less digits than its factorization.

22120402422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48404.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22120402422 its reverse (22420402122), we get a palindrome (44540804544).

The spelling of 22120402422 in words is "twenty-two billion, one hundred twenty million, four hundred two thousand, four hundred twenty-two".