222425851608 has 320 divisors, whose sum is σ = 690147216000. Its totient is φ = 66608898048.

The previous prime is 222425851607. The next prime is 222425851631. The reversal of 222425851608 is 806158524222.

222425851608 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 2 + 585 + 1 + 60 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222425851603) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 28428385 + ... + 28436207.

It is an arithmetic number, because the mean of its divisors is an integer number (2156710050).

Almost surely, 2^222425851608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222425851608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345073608000).

222425851608 is an abundant number, since it is smaller than the sum of its proper divisors (467721364392).

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

222425851608 is a wasteful number, since it uses less digits than its factorization.

222425851608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976 (or 7963 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 222425851608 in words is "two hundred twenty-two billion, four hundred twenty-five million, eight hundred fifty-one thousand, six hundred eight".