88045221 has 16 divisors (see below), whose sum is σ = 134807040. Its totient is φ = 50551920.

The previous prime is 88045207. The next prime is 88045273. The reversal of 88045221 is 12254088.

It is not a de Polignac number, because 88045221 - 2⁶ = 88045157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88045201) 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 15 ways as a sum of consecutive naturals, for example, 69585 + ... + 70838.

It is an arithmetic number, because the mean of its divisors is an integer number (8425440).

Almost surely, 2^88045221 is an apocalyptic number.

It is an amenable number.

88045221 is a deficient number, since it is larger than the sum of its proper divisors (46761819).

88045221 is a wasteful number, since it uses less digits than its factorization.

88045221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140456.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 88045221 is about 9383.2414974784. The cubic root of 88045221 is about 444.8721949182.

The spelling of 88045221 in words is "eighty-eight million, forty-five thousand, two hundred twenty-one".