3223972 has 24 divisors (see below), whose sum is σ = 5845112. Its totient is φ = 1555200.

The previous prime is 3223967. The next prime is 3223991. The reversal of 3223972 is 2793223.

It can be written as a sum of positive squares in 4 ways, for example, as 147456 + 3076516 = 384^2 + 1754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3223972.

It is a congruent number.

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, 17722 + ... + 17902.

Almost surely, 2^3223972 is an apocalyptic number.

It is an amenable number.

3223972 is a deficient number, since it is larger than the sum of its proper divisors (2621140).

3223972 is a wasteful number, since it uses less digits than its factorization.

3223972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 317 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 3223972 is about 1795.5422579266. The cubic root of 3223972 is about 147.7283182368.

The spelling of 3223972 in words is "three million, two hundred twenty-three thousand, nine hundred seventy-two".