222550044 has 12 divisors (see below), whose sum is σ = 519283464. Its totient is φ = 74183344.

The previous prime is 222550039. The next prime is 222550051. The reversal of 222550044 is 440055222.

It is a happy number.

222550044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222549996 and 222550023.

It is a congruent number.

It is an unprimeable number.

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, 9272907 + ... + 9272930.

It is an arithmetic number, because the mean of its divisors is an integer number (43273622).

Almost surely, 2^222550044 is an apocalyptic number.

It is an amenable number.

222550044 is an abundant number, since it is smaller than the sum of its proper divisors (296733420).

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

222550044 is a wasteful number, since it uses less digits than its factorization.

222550044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18545844 (or 18545842 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 222550044 is about 14918.1112745548. Note that the first 3 decimals coincide. The cubic root of 222550044 is about 606.0045637883.

The spelling of 222550044 in words is "two hundred twenty-two million, five hundred fifty thousand, forty-four".