223336988 has 12 divisors (see below), whose sum is σ = 446674032. Its totient is φ = 95715840.

The previous prime is 223336951. The next prime is 223337017. The reversal of 223336988 is 889633322.

It is a happy number.

223336988 is an admirable number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3988133 + ... + 3988188.

It is an arithmetic number, because the mean of its divisors is an integer number (37222836).

Almost surely, 2^223336988 is an apocalyptic number.

223336988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

223336988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

223336988 is a wasteful number, since it uses less digits than its factorization.

223336988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976332 (or 7976330 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 223336988 is about 14944.4634564109. The cubic root of 223336988 is about 606.7180073015.

The spelling of 223336988 in words is "two hundred twenty-three million, three hundred thirty-six thousand, nine hundred eighty-eight".