222857526012 has 216 divisors, whose sum is σ = 622774010880. Its totient is φ = 61499635200.

The previous prime is 222857526007. The next prime is 222857526037. The reversal of 222857526012 is 210625758222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36657189 + ... + 36663267.

Almost surely, 2^222857526012 is an apocalyptic number.

222857526012 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 222857526012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311387005440).

222857526012 is an abundant number, since it is smaller than the sum of its proper divisors (399916484868).

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

222857526012 is a wasteful number, since it uses less digits than its factorization.

222857526012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193 (or 6143 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 222857526012 in words is "two hundred twenty-two billion, eight hundred fifty-seven million, five hundred twenty-six thousand, twelve".