222685074612 has 576 divisors, whose sum is σ = 829937332224. Its totient is φ = 50246645760.

The previous prime is 222685074587. The next prime is 222685074631. The reversal of 222685074612 is 216470586222.

222685074612 is a `hidden beast` number, since 2 + 2 + 26 + 8 + 5 + 0 + 7 + 4 + 612 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16533793 + ... + 16547255.

It is an arithmetic number, because the mean of its divisors is an integer number (1440863424).

Almost surely, 2^222685074612 is an apocalyptic number.

222685074612 is a gapful number since it is divisible by the number (22) 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 222685074612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414968666112).

222685074612 is an abundant number, since it is smaller than the sum of its proper divisors (607252257612).

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

222685074612 is a wasteful number, since it uses less digits than its factorization.

222685074612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13530 (or 13516 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 222685074612 in words is "two hundred twenty-two billion, six hundred eighty-five million, seventy-four thousand, six hundred twelve".