72022382 has 4 divisors (see below), whose sum is σ = 108033576. Its totient is φ = 36011190.

The previous prime is 72022373. The next prime is 72022417. The reversal of 72022382 is 28322027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28322027 = 19 ⋅1490633.

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, 18005594 + ... + 18005597.

It is an arithmetic number, because the mean of its divisors is an integer number (27008394).

Almost surely, 2^72022382 is an apocalyptic number.

72022382 is a deficient number, since it is larger than the sum of its proper divisors (36011194).

72022382 is a wasteful number, since it uses less digits than its factorization.

72022382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36011193.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 72022382 is about 8486.6001437560. The cubic root of 72022382 is about 416.0598679555.

The spelling of 72022382 in words is "seventy-two million, twenty-two thousand, three hundred eighty-two".