2290972 has 12 divisors (see below), whose sum is σ = 4036816. Its totient is φ = 1137600.

The previous prime is 2290969. The next prime is 2290973. The reversal of 2290972 is 2790922.

2290972 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293 + ... + 2500.

2^2290972 is an apocalyptic number.

It is an amenable number.

2290972 is a deficient number, since it is larger than the sum of its proper divisors (1745844).

2290972 is a wasteful number, since it uses less digits than its factorization.

2290972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948 (or 3946 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2290972 is about 1513.5957188100. The cubic root of 2290972 is about 131.8276753441.

The spelling of 2290972 in words is "two million, two hundred ninety thousand, nine hundred seventy-two".