22122232042 has 8 divisors (see below), whose sum is σ = 33184390500. Its totient is φ = 11060768544.

The previous prime is 22122232007. The next prime is 22122232063. The reversal of 22122232042 is 24023222122.

It can be written as a sum of positive squares in 2 ways, for example, as 21709370281 + 412861761 = 147341^2 + 20319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85117 + ... + 226912.

Almost surely, 2^22122232042 is an apocalyptic number.

22122232042 is a deficient number, since it is larger than the sum of its proper divisors (11062158458).

22122232042 is a wasteful number, since it uses less digits than its factorization.

22122232042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347480.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22122232042 its reverse (24023222122), we get a palindrome (46145454164).

The spelling of 22122232042 in words is "twenty-two billion, one hundred twenty-two million, two hundred thirty-two thousand, forty-two".