22463012 has 48 divisors (see below), whose sum is σ = 46654272. Its totient is φ = 9329280.

The previous prime is 22462991. The next prime is 22463083. The reversal of 22463012 is 21036422.

It is a super-2 number, since 2×22463012² = 1009173816224288, 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, 98843 + ... + 99069.

It is an arithmetic number, because the mean of its divisors is an integer number (971964).

Almost surely, 2^22463012 is an apocalyptic number.

22463012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22463012 is an abundant number, since it is smaller than the sum of its proper divisors (24191260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22463012 is a wasteful number, since it uses less digits than its factorization.

22463012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22463012 is about 4739.5160090456. The cubic root of 22463012 is about 282.1560258585.

Adding to 22463012 its reverse (21036422), we get a palindrome (43499434).

It can be divided in two parts, 224 and 63012, that added together give a palindrome (63236).

The spelling of 22463012 in words is "twenty-two million, four hundred sixty-three thousand, twelve".