88064221 has 16 divisors (see below), whose sum is σ = 108112000. Its totient is φ = 71505504.

The previous prime is 88064209. The next prime is 88064227. The reversal of 88064221 is 12246088.

It is not a de Polignac number, because 88064221 - 2⁵ = 88064189 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 (88064227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240 + ... + 13273.

It is an arithmetic number, because the mean of its divisors is an integer number (6757000).

Almost surely, 2^88064221 is an apocalyptic number.

It is an amenable number.

88064221 is a deficient number, since it is larger than the sum of its proper divisors (20047779).

88064221 is a wasteful number, since it uses less digits than its factorization.

88064221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13553 (or 13539 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 88064221 is about 9384.2538861648. The cubic root of 88064221 is about 444.9041934891.

The spelling of 88064221 in words is "eighty-eight million, sixty-four thousand, two hundred twenty-one".