222228826560 has 784 divisors, whose sum is σ = 862662614016. Its totient is φ = 54177693696.

The previous prime is 222228826499. The next prime is 222228826661. The reversal of 222228826560 is 65628822222.

222228826560 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 2 + 8 + 82 + 6 + 560 = 666.

It is a super-2 number, since 2×222228826560² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 385144992 + ... + 385145568.

Almost surely, 2^222228826560 is an apocalyptic number.

222228826560 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 222228826560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431331307008).

222228826560 is an abundant number, since it is smaller than the sum of its proper divisors (640433787456).

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

222228826560 is a wasteful number, since it uses less digits than its factorization.

222228826560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 222228826560 in words is "two hundred twenty-two billion, two hundred twenty-eight million, eight hundred twenty-six thousand, five hundred sixty".