22210464 has 24 divisors (see below), whose sum is σ = 58302720. Its totient is φ = 7403456.

The previous prime is 22210459. The next prime is 22210501. The reversal of 22210464 is 46401222.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×22210464² = 986609422190592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22210464.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115584 + ... + 115775.

It is an arithmetic number, because the mean of its divisors is an integer number (2429280).

Almost surely, 2^22210464 is an apocalyptic number.

22210464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22210464 is an abundant number, since it is smaller than the sum of its proper divisors (36092256).

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

22210464 is a wasteful number, since it uses less digits than its factorization.

22210464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231372 (or 231364 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22210464 is about 4712.7978950937. The cubic root of 22210464 is about 281.0946266754.

Adding to 22210464 its reverse (46401222), we get a palindrome (68611686).

The spelling of 22210464 in words is "twenty-two million, two hundred ten thousand, four hundred sixty-four".