89512722 has 64 divisors (see below), whose sum is σ = 218856960. Its totient is φ = 26946432.

The previous prime is 89512699. The next prime is 89512727. The reversal of 89512722 is 22721598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89512727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31638 + ... + 34350.

It is an arithmetic number, because the mean of its divisors is an integer number (3419640).

Almost surely, 2^89512722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89512722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109428480).

89512722 is an abundant number, since it is smaller than the sum of its proper divisors (129344238).

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

89512722 is a wasteful number, since it uses less digits than its factorization.

89512722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784 (or 2778 counting only the distinct ones).

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

The square root of 89512722 is about 9461.1163189129. The cubic root of 89512722 is about 447.3302365753.

The spelling of 89512722 in words is "eighty-nine million, five hundred twelve thousand, seven hundred twenty-two".