89962221 has 4 divisors (see below), whose sum is σ = 119949632. Its totient is φ = 59974812.

The previous prime is 89962219. The next prime is 89962231. The reversal of 89962221 is 12226998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 89962221 - 2¹ = 89962219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89962221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89962231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14993701 + ... + 14993706.

It is an arithmetic number, because the mean of its divisors is an integer number (29987408).

Almost surely, 2^89962221 is an apocalyptic number.

It is an amenable number.

89962221 is a deficient number, since it is larger than the sum of its proper divisors (29987411).

89962221 is a wasteful number, since it uses less digits than its factorization.

89962221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29987410.

The product of its digits is 31104, while the sum is 39.

The square root of 89962221 is about 9484.8416433802. The cubic root of 89962221 is about 448.0777610688.

The spelling of 89962221 in words is "eighty-nine million, nine hundred sixty-two thousand, two hundred twenty-one".