22481064 has 40 divisors (see below), whose sum is σ = 62969610. Its totient is φ = 7493472.

The previous prime is 22481059. The next prime is 22481071. The reversal of 22481064 is 46018422.

It can be written as a sum of positive squares in only one way, i.e., 17892900 + 4588164 = 4230^2 + 2142^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16699 + ... + 17994.

Almost surely, 2^22481064 is an apocalyptic number.

22481064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22481064 is an abundant number, since it is smaller than the sum of its proper divisors (40488546).

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

22481064 is a wasteful number, since it uses less digits than its factorization.

22481064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34711 (or 34698 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22481064 is about 4741.4200404520. The cubic root of 22481064 is about 282.2315888442.

Adding to 22481064 its reverse (46018422), we get a palindrome (68499486).

The spelling of 22481064 in words is "twenty-two million, four hundred eighty-one thousand, sixty-four".