223942980 has 24 divisors (see below), whose sum is σ = 627040512. Its totient is φ = 59718112.

The previous prime is 223942969. The next prime is 223942997. The reversal of 223942980 is 89249322.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 1866132 + ... + 1866251.

It is an arithmetic number, because the mean of its divisors is an integer number (26126688).

Almost surely, 2^223942980 is an apocalyptic number.

223942980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223942980 is an abundant number, since it is smaller than the sum of its proper divisors (403097532).

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

223942980 is a wasteful number, since it uses less digits than its factorization.

223942980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732395 (or 3732393 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 223942980 is about 14964.7245213535. The cubic root of 223942980 is about 607.2662583641.

The spelling of 223942980 in words is "two hundred twenty-three million, nine hundred forty-two thousand, nine hundred eighty".