22572046 has 12 divisors (see below), whose sum is σ = 39386088. Its totient is φ = 9673692.

The previous prime is 22572041. The next prime is 22572113. The reversal of 22572046 is 64027522.

It is a super-2 number, since 2×22572046² = 1018994521252232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22572041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115066 + ... + 115261.

It is an arithmetic number, because the mean of its divisors is an integer number (3282174).

Almost surely, 2^22572046 is an apocalyptic number.

22572046 is a deficient number, since it is larger than the sum of its proper divisors (16814042).

22572046 is a wasteful number, since it uses less digits than its factorization.

22572046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230343 (or 230336 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 22572046 is about 4751.0047358427. The cubic root of 22572046 is about 282.6118115365.

Adding to 22572046 its reverse (64027522), we get a palindrome (86599568).

The spelling of 22572046 in words is "twenty-two million, five hundred seventy-two thousand, forty-six".