89122572 has 144 divisors (see below), whose sum is σ = 293408640. Its totient is φ = 23133600.

The previous prime is 89122549. The next prime is 89122573. The reversal of 89122572 is 27522198.

89122572 is a `hidden beast` number, since 89 + 1 + 2 + 2 + 572 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89122573) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57447 + ... + 58977.

It is an arithmetic number, because the mean of its divisors is an integer number (2037560).

Almost surely, 2^89122572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89122572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146704320).

89122572 is an abundant number, since it is smaller than the sum of its proper divisors (204286068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89122572 is a wasteful number, since it uses less digits than its factorization.

89122572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1554 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 89122572 is about 9440.4751999039. The cubic root of 89122572 is about 446.6793791090.

The spelling of 89122572 in words is "eighty-nine million, one hundred twenty-two thousand, five hundred seventy-two".