88213217 has 16 divisors (see below), whose sum is σ = 92951040. Its totient is φ = 83633472.

The previous prime is 88213207. The next prime is 88213231. The reversal of 88213217 is 71231288.

It is a cyclic number.

It is not a de Polignac number, because 88213217 - 2⁸ = 88212961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88213207) 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, 300923 + ... + 301215.

It is an arithmetic number, because the mean of its divisors is an integer number (5809440).

Almost surely, 2^88213217 is an apocalyptic number.

It is an amenable number.

88213217 is a deficient number, since it is larger than the sum of its proper divisors (4737823).

88213217 is a wasteful number, since it uses less digits than its factorization.

88213217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its digits is 5376, while the sum is 32.

The square root of 88213217 is about 9392.1891484361. The cubic root of 88213217 is about 445.1549634945.

The spelling of 88213217 in words is "eighty-eight million, two hundred thirteen thousand, two hundred seventeen".