2922172 has 12 divisors (see below), whose sum is σ = 5578776. Its totient is φ = 1328240.

The previous prime is 2922167. The next prime is 2922191. The reversal of 2922172 is 2712292.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33163 + ... + 33250.

It is an arithmetic number, because the mean of its divisors is an integer number (464898).

2^2922172 is an apocalyptic number.

2922172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2922172 is a deficient number, since it is larger than the sum of its proper divisors (2656604).

2922172 is a wasteful number, since it uses less digits than its factorization.

2922172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66428 (or 66426 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 2922172 is about 1709.4361643536. The cubic root of 2922172 is about 142.9668203458.

It can be divided in two parts, 29 and 22172, that added together give a square (22201 = 149²).

The spelling of 2922172 in words is "two million, nine hundred twenty-two thousand, one hundred seventy-two".