2972224 has 14 divisors (see below), whose sum is σ = 5898134. Its totient is φ = 1486080.

The previous prime is 2972219. The next prime is 2972251. The reversal of 2972224 is 4222792.

2972224 = T₇₁ + T₇₂ + ... + T₂₆₂.

2972224 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 only one way, i.e., 2050624 + 921600 = 1432^2 + 960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2972192 and 2972201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23157 + ... + 23284.

2^2972224 is an apocalyptic number.

It is an amenable number.

2972224 is a deficient number, since it is larger than the sum of its proper divisors (2925910).

2972224 is an equidigital number, since it uses as much as digits as its factorization.

2972224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46453 (or 46443 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 2972224 is about 1724.0139210575. The cubic root of 2972224 is about 143.7784659443.

The spelling of 2972224 in words is "two million, nine hundred seventy-two thousand, two hundred twenty-four".