2222855712 has 144 divisors (see below), whose sum is σ = 7881112512. Its totient is φ = 577359360.

The previous prime is 2222855699. The next prime is 2222855737. The reversal of 2222855712 is 2175582222.

2222855712 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 85 + 571 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27943 + ... + 72294.

It is an arithmetic number, because the mean of its divisors is an integer number (54729948).

Almost surely, 2^2222855712 is an apocalyptic number.

2222855712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2222855712 is an abundant number, since it is smaller than the sum of its proper divisors (5658256800).

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

2222855712 is a wasteful number, since it uses less digits than its factorization.

2222855712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100271 (or 100260 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 2222855712 is about 47147.1707740772. The cubic root of 2222855712 is about 1305.0798700400.

The spelling of 2222855712 in words is "two billion, two hundred twenty-two million, eight hundred fifty-five thousand, seven hundred twelve".