72225614 has 4 divisors (see below), whose sum is σ = 108338424. Its totient is φ = 36112806.

The previous prime is 72225607. The next prime is 72225649. The reversal of 72225614 is 41652227.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41652227 = 17 ⋅2450131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18056402 + ... + 18056405.

It is an arithmetic number, because the mean of its divisors is an integer number (27084606).

Almost surely, 2^72225614 is an apocalyptic number.

72225614 is a deficient number, since it is larger than the sum of its proper divisors (36112810).

72225614 is a wasteful number, since it uses less digits than its factorization.

72225614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36112809.

The product of its digits is 6720, while the sum is 29.

The square root of 72225614 is about 8498.5654083498. The cubic root of 72225614 is about 416.4508448874.

The spelling of 72225614 in words is "seventy-two million, two hundred twenty-five thousand, six hundred fourteen".