222897860 has 48 divisors (see below), whose sum is σ = 479001600. Its totient is φ = 87095424.

The previous prime is 222897847. The next prime is 222897869. The reversal of 222897860 is 68798222.

It is not an unprimeable number, because it can be changed into a prime (222897869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465101 + ... + 465579.

It is an arithmetic number, because the mean of its divisors is an integer number (9979200).

Almost surely, 2^222897860 is an apocalyptic number.

222897860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222897860 is an abundant number, since it is smaller than the sum of its proper divisors (256103740).

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

222897860 is a wasteful number, since it uses less digits than its factorization.

222897860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 222897860 is about 14929.7642312262. The cubic root of 222897860 is about 606.3201008676.

The spelling of 222897860 in words is "two hundred twenty-two million, eight hundred ninety-seven thousand, eight hundred sixty".