222002867412 has 18 divisors (see below), whose sum is σ = 561173914938. Its totient is φ = 74000955792.

The previous prime is 222002867393. The next prime is 222002867419. The reversal of 222002867412 is 214768200222.

It can be written as a sum of positive squares in only one way, i.e., 200377988496 + 21624878916 = 447636^2 + 147054^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6166746317 = 222002867412 / (2 + 2 + 2 + 0 + 0 + 2 + 8 + 6 + 7 + 4 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222002867419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3083373123 + ... + 3083373194.

Almost surely, 2^222002867412 is an apocalyptic number.

It is an amenable number.

222002867412 is an abundant number, since it is smaller than the sum of its proper divisors (339171047526).

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

222002867412 is a wasteful number, since it uses less digits than its factorization.

222002867412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6166746327 (or 6166746322 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 222002867412 in words is "two hundred twenty-two billion, two million, eight hundred sixty-seven thousand, four hundred twelve".