88223157 has 18 divisors (see below), whose sum is σ = 140073206. Its totient is φ = 53467920.

The previous prime is 88223153. The next prime is 88223159. The reversal of 88223157 is 75132288.

It can be written as a sum of positive squares in only one way, i.e., 51753636 + 36469521 = 7194^2 + 6039^2 .

It is not a de Polignac number, because 88223157 - 2² = 88223153 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 (88223153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39418 + ... + 41595.

Almost surely, 2^88223157 is an apocalyptic number.

It is an amenable number.

88223157 is a deficient number, since it is larger than the sum of its proper divisors (51850049).

88223157 is a wasteful number, since it uses less digits than its factorization.

88223157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81041 (or 81027 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 88223157 is about 9392.7182966381. The cubic root of 88223157 is about 445.1716831136.

It can be divided in two parts, 882231 and 57, that added together give a palindrome (882288).

The spelling of 88223157 in words is "eighty-eight million, two hundred twenty-three thousand, one hundred fifty-seven".