223942772 has 12 divisors (see below), whose sum is σ = 392320320. Its totient is φ = 111851256.

The previous prime is 223942681. The next prime is 223942777. The reversal of 223942772 is 277249322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223942777) 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 3 ways as a sum of consecutive naturals, for example, 25772 + ... + 33347.

It is an arithmetic number, because the mean of its divisors is an integer number (32693360).

Almost surely, 2^223942772 is an apocalyptic number.

It is an amenable number.

223942772 is a deficient number, since it is larger than the sum of its proper divisors (168377548).

223942772 is a wasteful number, since it uses less digits than its factorization.

223942772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60070 (or 60068 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 223942772 is about 14964.7175716750. The cubic root of 223942772 is about 607.2660703529.

The spelling of 223942772 in words is "two hundred twenty-three million, nine hundred forty-two thousand, seven hundred seventy-two".