2252664 has 32 divisors (see below), whose sum is σ = 6258000. Its totient is φ = 750816.

The previous prime is 2252651. The next prime is 2252681. The reversal of 2252664 is 4662522.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4999 + ... + 5430.

2^2252664 is an apocalyptic number.

2252664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2252664 is an abundant number, since it is smaller than the sum of its proper divisors (4005336).

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

2252664 is a wasteful number, since it uses less digits than its factorization.

2252664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10444 (or 10434 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2252664 is about 1500.8877373075. The cubic root of 2252664 is about 131.0887652768.

It can be divided in two parts, 2252 and 664, that added together give a square (2916 = 54²).

The spelling of 2252664 in words is "two million, two hundred fifty-two thousand, six hundred sixty-four".