223055444 has 6 divisors (see below), whose sum is σ = 390347034. Its totient is φ = 111527720.

The previous prime is 223055431. The next prime is 223055471. The reversal of 223055444 is 444550322.

223055444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 222904900 + 150544 = 14930^2 + 388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27881927 + ... + 27881934.

It is an arithmetic number, because the mean of its divisors is an integer number (65057839).

Almost surely, 2^223055444 is an apocalyptic number.

It is an amenable number.

223055444 is a deficient number, since it is larger than the sum of its proper divisors (167291590).

223055444 is a wasteful number, since it uses less digits than its factorization.

223055444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55763865 (or 55763863 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 223055444 is about 14935.0408101217. The cubic root of 223055444 is about 606.4629523052.

The spelling of 223055444 in words is "two hundred twenty-three million, fifty-five thousand, four hundred forty-four".