88707221 has 4 divisors (see below), whose sum is σ = 88753344. Its totient is φ = 88661100.

The previous prime is 88707217. The next prime is 88707271. The reversal of 88707221 is 12270788.

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 not a de Polignac number, because 88707221 - 2² = 88707217 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 (88707271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20045 + ... + 24066.

It is an arithmetic number, because the mean of its divisors is an integer number (22188336).

Almost surely, 2^88707221 is an apocalyptic number.

It is an amenable number.

88707221 is a deficient number, since it is larger than the sum of its proper divisors (46123).

88707221 is a wasteful number, since it uses less digits than its factorization.

88707221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46122.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 88707221 is about 9418.4510934654. The cubic root of 88707221 is about 445.9843898496.

The spelling of 88707221 in words is "eighty-eight million, seven hundred seven thousand, two hundred twenty-one".