90223996 has 12 divisors (see below), whose sum is σ = 158060448. Its totient is φ = 45063872.

The previous prime is 90223979. The next prime is 90223997. The reversal of 90223996 is 69932209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90223997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7636 + ... + 15451.

It is an arithmetic number, because the mean of its divisors is an integer number (13171704).

Almost surely, 2^90223996 is an apocalyptic number.

It is an amenable number.

90223996 is a deficient number, since it is larger than the sum of its proper divisors (67836452).

90223996 is a wasteful number, since it uses less digits than its factorization.

90223996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24068 (or 24066 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 90223996 is about 9498.6312698199. The cubic root of 90223996 is about 448.5119506209.

It can be divided in two parts, 90223 and 996, that added together give a palindrome (91219).

The spelling of 90223996 in words is "ninety million, two hundred twenty-three thousand, nine hundred ninety-six".