222470780 has 36 divisors (see below), whose sum is σ = 543466728. Its totient is φ = 76275360.

The previous prime is 222470779. The next prime is 222470783. The reversal of 222470780 is 87074222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222470783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112526 + ... + 114485.

It is an arithmetic number, because the mean of its divisors is an integer number (15096298).

Almost surely, 2^222470780 is an apocalyptic number.

222470780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222470780 is an abundant number, since it is smaller than the sum of its proper divisors (320995948).

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

222470780 is a wasteful number, since it uses less digits than its factorization.

222470780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227034 (or 227025 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 222470780 is about 14915.4544013919. The cubic root of 222470780 is about 605.9326098603.

The spelling of 222470780 in words is "two hundred twenty-two million, four hundred seventy thousand, seven hundred eighty".