89357221 has 4 divisors (see below), whose sum is σ = 92239744. Its totient is φ = 86474700.

The previous prime is 89357167. The next prime is 89357239. The reversal of 89357221 is 12275398.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89357221 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 (89357251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441215 + ... + 1441276.

It is an arithmetic number, because the mean of its divisors is an integer number (23059936).

Almost surely, 2^89357221 is an apocalyptic number.

It is an amenable number.

89357221 is a deficient number, since it is larger than the sum of its proper divisors (2882523).

89357221 is a wasteful number, since it uses less digits than its factorization.

89357221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882522.

The product of its digits is 30240, while the sum is 37.

The square root of 89357221 is about 9452.8948476115. The cubic root of 89357221 is about 447.0710532384.

The spelling of 89357221 in words is "eighty-nine million, three hundred fifty-seven thousand, two hundred twenty-one".