22460464 has 40 divisors (see below), whose sum is σ = 47465712. Its totient is φ = 10233600.

The previous prime is 22460453. The next prime is 22460467. The reversal of 22460464 is 46406422.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22460467) 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 7 ways as a sum of consecutive naturals, for example, 16614 + ... + 17914.

Almost surely, 2^22460464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22460464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23732856).

22460464 is an abundant number, since it is smaller than the sum of its proper divisors (25005248).

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

22460464 is a wasteful number, since it uses less digits than its factorization.

22460464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 22460464 is about 4739.2471976043. The cubic root of 22460464 is about 282.1453570497.

Adding to 22460464 its reverse (46406422), we get a palindrome (68866886).

The spelling of 22460464 in words is "twenty-two million, four hundred sixty thousand, four hundred sixty-four".