222936438 has 16 divisors (see below), whose sum is σ = 460256256. Its totient is φ = 71914920.

The previous prime is 222936437. The next prime is 222936451. The reversal of 222936438 is 834639222.

It is a junction number, because it is equal to n+sod(n) for n = 222936396 and 222936405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222936431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599106 + ... + 599477.

It is an arithmetic number, because the mean of its divisors is an integer number (28766016).

Almost surely, 2^222936438 is an apocalyptic number.

222936438 is an abundant number, since it is smaller than the sum of its proper divisors (237319818).

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

222936438 is a wasteful number, since it uses less digits than its factorization.

222936438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198619.

The product of its digits is 124416, while the sum is 39.

The square root of 222936438 is about 14931.0561582227. The cubic root of 222936438 is about 606.3550784242.

The spelling of 222936438 in words is "two hundred twenty-two million, nine hundred thirty-six thousand, four hundred thirty-eight".