2261972 has 12 divisors (see below), whose sum is σ = 4050816. Its totient is φ = 1104600.

The previous prime is 2261933. The next prime is 2261993. The reversal of 2261972 is 2791622.

It is a congruent number.

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, 6404 + ... + 6747.

It is an arithmetic number, because the mean of its divisors is an integer number (337568).

2^2261972 is an apocalyptic number.

It is an amenable number.

2261972 is a deficient number, since it is larger than the sum of its proper divisors (1788844).

2261972 is a wasteful number, since it uses less digits than its factorization.

2261972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198 (or 13196 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 2261972 is about 1503.9853722693. The cubic root of 2261972 is about 131.2690699426.

The spelling of 2261972 in words is "two million, two hundred sixty-one thousand, nine hundred seventy-two".