222044402002 has 16 divisors (see below), whose sum is σ = 341466155352. Its totient is φ = 108226730880.

The previous prime is 222044401981. The next prime is 222044402003. The reversal of 222044402002 is 200204440222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 151882457841 + 70161944161 = 389721^2 + 264881^2 .

It is not an unprimeable number, because it can be changed into a prime (222044402003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993093 + ... + 1195960.

Almost surely, 2^222044402002 is an apocalyptic number.

222044402002 is a deficient number, since it is larger than the sum of its proper divisors (119421753350).

222044402002 is a wasteful number, since it uses less digits than its factorization.

222044402002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190333.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 222044402002 its reverse (200204440222), we get a palindrome (422248842224).

The spelling of 222044402002 in words is "two hundred twenty-two billion, forty-four million, four hundred two thousand, two".