88622217 has 6 divisors (see below), whose sum is σ = 128009882. Its totient is φ = 59081472.

The previous prime is 88622167. The next prime is 88622221. The reversal of 88622217 is 71222688.

It is a happy number.

88622217 is a `hidden beast` number, since 8 + 8 + 622 + 21 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53231616 + 35390601 = 7296^2 + 5949^2 .

It is not a de Polignac number, because 88622217 - 2⁶ = 88622153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88622227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4923448 + ... + 4923465.

Almost surely, 2^88622217 is an apocalyptic number.

It is an amenable number.

88622217 is a deficient number, since it is larger than the sum of its proper divisors (39387665).

88622217 is a wasteful number, since it uses less digits than its factorization.

88622217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9846919 (or 9846916 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 88622217 is about 9413.9373802889. The cubic root of 88622217 is about 445.8418889634.

The spelling of 88622217 in words is "eighty-eight million, six hundred twenty-two thousand, two hundred seventeen".