22253480 has 32 divisors (see below), whose sum is σ = 50214600. Its totient is φ = 8875776.

The previous prime is 22253437. The next prime is 22253501. The reversal of 22253480 is 8435222.

It can be written as a sum of positive squares in 4 ways, for example, as 22221796 + 31684 = 4714^2 + 178^2 .

It is a super-2 number, since 2×22253480² = 990434744220800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19814 + ... + 20906.

Almost surely, 2^22253480 is an apocalyptic number.

22253480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22253480 is an abundant number, since it is smaller than the sum of its proper divisors (27961120).

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

22253480 is a wasteful number, since it uses less digits than its factorization.

22253480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 22253480 is about 4717.3594308681. The cubic root of 22253480 is about 281.2759791640.

The spelling of 22253480 in words is "twenty-two million, two hundred fifty-three thousand, four hundred eighty".