220222998 has 24 divisors (see below), whose sum is σ = 505218168. Its totient is φ = 69089472.

The previous prime is 220222967. The next prime is 220223009. The reversal of 220222998 is 899222022.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 359536 + ... + 360147.

It is an arithmetic number, because the mean of its divisors is an integer number (21050757).

Almost surely, 2^220222998 is an apocalyptic number.

220222998 is an abundant number, since it is smaller than the sum of its proper divisors (284995170).

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

220222998 is a wasteful number, since it uses less digits than its factorization.

220222998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719708 (or 719705 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 220222998 is about 14839.9123312774. The cubic root of 220222998 is about 603.8849740024.

It can be divided in two parts, 2202 and 22998, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 220222998 in words is "two hundred twenty million, two hundred twenty-two thousand, nine hundred ninety-eight".