222299980 has 48 divisors (see below), whose sum is σ = 535127040. Its totient is φ = 75987648.

The previous prime is 222299963. The next prime is 222299999. The reversal of 222299980 is 89992222.

It is a super-2 number, since 2×222299980² = 98834562216000800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48049 + ... + 52471.

It is an arithmetic number, because the mean of its divisors is an integer number (11148480).

Almost surely, 2^222299980 is an apocalyptic number.

222299980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222299980 is an abundant number, since it is smaller than the sum of its proper divisors (312827060).

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

222299980 is a wasteful number, since it uses less digits than its factorization.

222299980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4798 (or 4796 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 222299980 is about 14909.7276970440. The cubic root of 222299980 is about 605.7775036685. Note that the first 3 decimals are identical.

The spelling of 222299980 in words is "two hundred twenty-two million, two hundred ninety-nine thousand, nine hundred eighty".