22534012 has 6 divisors (see below), whose sum is σ = 39434528. Its totient is φ = 11267004.

The previous prime is 22533983. The next prime is 22534013. The reversal of 22534012 is 21043522.

It is a super-2 number, since 2×22534012² = 1015563393632288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22534013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2816748 + ... + 2816755.

Almost surely, 2^22534012 is an apocalyptic number.

It is an amenable number.

22534012 is a deficient number, since it is larger than the sum of its proper divisors (16900516).

22534012 is a wasteful number, since it uses less digits than its factorization.

22534012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633507 (or 5633505 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22534012 is about 4747.0003159890. Note that the first 3 decimals coincide. The cubic root of 22534012 is about 282.4529882352.

Adding to 22534012 its reverse (21043522), we get a palindrome (43577534).

The spelling of 22534012 in words is "twenty-two million, five hundred thirty-four thousand, twelve".