72220589 has 8 divisors (see below), whose sum is σ = 82853760. Its totient is φ = 61666416.

The previous prime is 72220583. The next prime is 72220591. The reversal of 72220589 is 98502227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72220589 - 2⁸ = 72220333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72220583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17774 + ... + 21455.

It is an arithmetic number, because the mean of its divisors is an integer number (10356720).

Almost surely, 2^72220589 is an apocalyptic number.

It is an amenable number.

72220589 is a deficient number, since it is larger than the sum of its proper divisors (10633171).

72220589 is a wasteful number, since it uses less digits than its factorization.

72220589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39499.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 72220589 is about 8498.2697650757. The cubic root of 72220589 is about 416.4411866608.

The spelling of 72220589 in words is "seventy-two million, two hundred twenty thousand, five hundred eighty-nine".