222945480 has 128 divisors (see below), whose sum is σ = 786931200. Its totient is φ = 55950336.

The previous prime is 222945451. The next prime is 222945511. The reversal of 222945480 is 84549222.

222945480 is a `hidden beast` number, since 2 + 22 + 94 + 548 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12289 + ... + 24431.

It is an arithmetic number, because the mean of its divisors is an integer number (6147900).

Almost surely, 2^222945480 is an apocalyptic number.

222945480 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 222945480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393465600).

222945480 is an abundant number, since it is smaller than the sum of its proper divisors (563985720).

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

222945480 is a wasteful number, since it uses less digits than its factorization.

222945480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180 (or 12170 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 222945480 is about 14931.3589468608. The cubic root of 222945480 is about 606.3632759603.

The spelling of 222945480 in words is "two hundred twenty-two million, nine hundred forty-five thousand, four hundred eighty".