2321572 has 24 divisors (see below), whose sum is σ = 4667040. Its totient is φ = 999360.

The previous prime is 2321563. The next prime is 2321587. The reversal of 2321572 is 2751232.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 553 + ... + 2224.

It is an arithmetic number, because the mean of its divisors is an integer number (194460).

2^2321572 is an apocalyptic number.

2321572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2321572 is an abundant number, since it is smaller than the sum of its proper divisors (2345468).

2321572 is a wasteful number, since it uses less digits than its factorization.

2321572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811 (or 2809 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 2321572 is about 1523.6705680691. The cubic root of 2321572 is about 132.4120123090.

The spelling of 2321572 in words is "two million, three hundred twenty-one thousand, five hundred seventy-two".