22204042 has 32 divisors (see below), whose sum is σ = 39481344. Its totient is φ = 9168000.

The previous prime is 22204009. The next prime is 22204051. The reversal of 22204042 is 24040222.

It is a super-2 number, since 2×22204042² = 986038962275528, which contains 22 as substring.

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, 57783 + ... + 58165.

It is an arithmetic number, because the mean of its divisors is an integer number (1233792).

Almost surely, 2^22204042 is an apocalyptic number.

22204042 is a deficient number, since it is larger than the sum of its proper divisors (17277302).

22204042 is a wasteful number, since it uses less digits than its factorization.

22204042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 22204042 is about 4712.1165095952. The cubic root of 22204042 is about 281.0675318834.

Adding to 22204042 its reverse (24040222), we get a palindrome (46244264).

The spelling of 22204042 in words is "twenty-two million, two hundred four thousand, forty-two".