2287972 has 12 divisors (see below), whose sum is σ = 4016236. Its totient is φ = 1140480.

The previous prime is 2287963. The next prime is 2287973. The reversal of 2287972 is 2797822.

2287972 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1218816 + 1069156 = 1104^2 + 1034^2 .

It is not an unprimeable number, because it can be changed into a prime (2287973) 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, 1072 + ... + 2392.

2^2287972 is an apocalyptic number.

It is an amenable number.

2287972 is a deficient number, since it is larger than the sum of its proper divisors (1728264).

2287972 is a wasteful number, since it uses less digits than its factorization.

2287972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758 (or 1756 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 2287972 is about 1512.6043765638. The cubic root of 2287972 is about 131.7701079624.

The spelling of 2287972 in words is "two million, two hundred eighty-seven thousand, nine hundred seventy-two".