2264440 has 16 divisors (see below), whose sum is σ = 5095080. Its totient is φ = 905760.

The previous prime is 2264429. The next prime is 2264443. The reversal of 2264440 is 444622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2264443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28266 + ... + 28345.

2^2264440 is an apocalyptic number.

2264440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2264440 is an abundant number, since it is smaller than the sum of its proper divisors (2830640).

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

2264440 is a wasteful number, since it uses less digits than its factorization.

2264440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56622 (or 56618 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2264440 is about 1504.8056352898. The cubic root of 2264440 is about 131.3167944221.

It can be divided in two parts, 2264 and 440, that added together give a square (2704 = 52²).

The spelling of 2264440 in words is "two million, two hundred sixty-four thousand, four hundred forty".