222222104002 has 4 divisors (see below), whose sum is σ = 333333156006. Its totient is φ = 111111052000.

The previous prime is 222222103993. The next prime is 222222104021. The reversal of 222222104002 is 200401222222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200401222222 = 2 ⋅100200611111.

It can be written as a sum of positive squares in only one way, i.e., 207242547121 + 14979556881 = 455239^2 + 122391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555525999 + ... + 55555526002.

Almost surely, 2^222222104002 is an apocalyptic number.

222222104002 is a deficient number, since it is larger than the sum of its proper divisors (111111052004).

222222104002 is a wasteful number, since it uses less digits than its factorization.

222222104002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111111052003.

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

Adding to 222222104002 its reverse (200401222222), we get a palindrome (422623326224).

The spelling of 222222104002 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred four thousand, two".