88223136 has 48 divisors (see below), whose sum is σ = 236525184. Its totient is φ = 28780544.

The previous prime is 88223063. The next prime is 88223153. The reversal of 88223136 is 63132288.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 88223097 and 88223106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5265 + ... + 14288.

It is an arithmetic number, because the mean of its divisors is an integer number (4927608).

Almost surely, 2^88223136 is an apocalyptic number.

It is an amenable number.

88223136 is an abundant number, since it is smaller than the sum of its proper divisors (148302048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88223136 is a wasteful number, since it uses less digits than its factorization.

88223136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19613 (or 19605 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 88223136 is about 9392.7171787508. The cubic root of 88223136 is about 445.1716477918.

The spelling of 88223136 in words is "eighty-eight million, two hundred twenty-three thousand, one hundred thirty-six".