222225602544 has 320 divisors, whose sum is σ = 728456232960. Its totient is φ = 64247904000.

The previous prime is 222225602477. The next prime is 222225602563. The reversal of 222225602544 is 445206522222.

222225602544 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 2 + 5 + 602 + 5 + 44 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 222225602499 and 222225602508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10448529 + ... + 10469775.

It is an arithmetic number, because the mean of its divisors is an integer number (2276425728).

Almost surely, 2^222225602544 is an apocalyptic number.

222225602544 is a gapful number since it is divisible by the number (24) 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 222225602544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364228116480).

222225602544 is an abundant number, since it is smaller than the sum of its proper divisors (506230630416).

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

222225602544 is a wasteful number, since it uses less digits than its factorization.

222225602544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21377 (or 21365 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The spelling of 222225602544 in words is "two hundred twenty-two billion, two hundred twenty-five million, six hundred two thousand, five hundred forty-four".