222944839 has 32 divisors (see below), whose sum is σ = 258306048. Its totient is φ = 190944000.

The previous prime is 222944807. The next prime is 222944849. The reversal of 222944839 is 938449222.

It is not a de Polignac number, because 222944839 - 2⁵ = 222944807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222944795 and 222944804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222944849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1701804 + ... + 1701934.

It is an arithmetic number, because the mean of its divisors is an integer number (8072064).

Almost surely, 2^222944839 is an apocalyptic number.

222944839 is a deficient number, since it is larger than the sum of its proper divisors (35361209).

222944839 is a wasteful number, since it uses less digits than its factorization.

222944839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319.

The product of its digits is 248832, while the sum is 43.

The square root of 222944839 is about 14931.3374819539. The cubic root of 222944839 is about 606.3626948328.

The spelling of 222944839 in words is "two hundred twenty-two million, nine hundred forty-four thousand, eight hundred thirty-nine".