88933221 has 20 divisors (see below), whose sum is σ = 143071852. Its totient is φ = 54727488.

The previous prime is 88933219. The next prime is 88933253. The reversal of 88933221 is 12233988.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33802596 + 55130625 = 5814^2 + 7425^2 .

It is not a de Polignac number, because 88933221 - 2¹ = 88933219 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 (88933211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41176 + ... + 43281.

Almost surely, 2^88933221 is an apocalyptic number.

88933221 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

88933221 is a deficient number, since it is larger than the sum of its proper divisors (54138631).

88933221 is a wasteful number, since it uses less digits than its factorization.

88933221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84482 (or 84473 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 88933221 is about 9430.4411879827. The cubic root of 88933221 is about 446.3628144970.

The spelling of 88933221 in words is "eighty-eight million, nine hundred thirty-three thousand, two hundred twenty-one".