22132212442 has 32 divisors (see below), whose sum is σ = 34521427584. Its totient is φ = 10635643200.

The previous prime is 22132212409. The next prime is 22132212457. The reversal of 22132212442 is 24421223122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172217 + ... + 1190947.

It is an arithmetic number, because the mean of its divisors is an integer number (1078794612).

Almost surely, 2^22132212442 is an apocalyptic number.

22132212442 is a deficient number, since it is larger than the sum of its proper divisors (12389215142).

22132212442 is a wasteful number, since it uses less digits than its factorization.

22132212442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19014.

The product of its digits is 3072, while the sum is 25.

Adding to 22132212442 its reverse (24421223122), we get a palindrome (46553435564).

The spelling of 22132212442 in words is "twenty-two billion, one hundred thirty-two million, two hundred twelve thousand, four hundred forty-two".