222255780 has 48 divisors (see below), whose sum is σ = 624047424. Its totient is φ = 59103360.

The previous prime is 222255751. The next prime is 222255827. The reversal of 222255780 is 87552222.

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, 17415 + ... + 27345.

It is an arithmetic number, because the mean of its divisors is an integer number (13000988).

Almost surely, 2^222255780 is an apocalyptic number.

222255780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222255780 is an abundant number, since it is smaller than the sum of its proper divisors (401791644).

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

222255780 is a wasteful number, since it uses less digits than its factorization.

222255780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10316 (or 10314 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 222255780 is about 14908.2453695933. The cubic root of 222255780 is about 605.7373520073.

The spelling of 222255780 in words is "two hundred twenty-two million, two hundred fifty-five thousand, seven hundred eighty".