222988836 has 48 divisors (see below), whose sum is σ = 596642816. Its totient is φ = 63496224.

The previous prime is 222988817. The next prime is 222988837. The reversal of 222988836 is 638889222.

It is not an unprimeable number, because it can be changed into a prime (222988837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21465 + ... + 30111.

Almost surely, 2^222988836 is an apocalyptic number.

It is an amenable number.

222988836 is an abundant number, since it is smaller than the sum of its proper divisors (373653980).

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

222988836 is a wasteful number, since it uses less digits than its factorization.

222988836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8968 (or 8966 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 222988836 is about 14932.8107200219. The cubic root of 222988836 is about 606.4025797132.

The spelling of 222988836 in words is "two hundred twenty-two million, nine hundred eighty-eight thousand, eight hundred thirty-six".