222894860 has 48 divisors (see below), whose sum is σ = 481995360. Its totient is φ = 86530560.

The previous prime is 222894857. The next prime is 222894877. The reversal of 222894860 is 68498222.

222894860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222894860² = 99364237228839200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 187187 + ... + 188373.

It is an arithmetic number, because the mean of its divisors is an integer number (10041570).

Almost surely, 2^222894860 is an apocalyptic number.

222894860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222894860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240997680).

222894860 is an abundant number, since it is smaller than the sum of its proper divisors (259100500).

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

222894860 is a wasteful number, since it uses less digits than its factorization.

222894860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 222894860 is about 14929.6637604469. The cubic root of 222894860 is about 606.3173806852.

The spelling of 222894860 in words is "two hundred twenty-two million, eight hundred ninety-four thousand, eight hundred sixty".