22112042 has 8 divisors (see below), whose sum is σ = 33190500. Its totient is φ = 11048544.

The previous prime is 22112033. The next prime is 22112063. The reversal of 22112042 is 24021122.

It can be written as a sum of positive squares in 2 ways, for example, as 21799561 + 312481 = 4669^2 + 559^2 .

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, 1334 + ... + 6782.

Almost surely, 2^22112042 is an apocalyptic number.

22112042 is a deficient number, since it is larger than the sum of its proper divisors (11078458).

22112042 is a wasteful number, since it uses less digits than its factorization.

22112042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480.

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

The square root of 22112042 is about 4702.3443089591. The cubic root of 22112042 is about 280.6788037272.

Adding to 22112042 its reverse (24021122), we get a palindrome (46133164).

The spelling of 22112042 in words is "twenty-two million, one hundred twelve thousand, forty-two".