222222212000002 has 4 divisors (see below), whose sum is σ = 333333318000006. Its totient is φ = 111111106000000.

The previous prime is 222222211999961. The next prime is 222222212000021. The reversal of 222222212000002 is 200000212222222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 202382234184321 + 19839977815681 = 14226111^2 + 4454209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555552999999 + ... + 55555553000002.

Almost surely, 2^{222222212000002} is an apocalyptic number.

222222212000002 is a deficient number, since it is larger than the sum of its proper divisors (111111106000004).

222222212000002 is a wasteful number, since it uses less digits than its factorization.

222222212000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111106000003.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 222222212000002 its reverse (200000212222222), we get a palindrome (422222424222224).

The spelling of 222222212000002 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred twelve million, two", and thus it is an aban number.