22222011222002 has 16 divisors (see below), whose sum is σ = 35294051199960. Its totient is φ = 10457337439488.

The previous prime is 22222011221953. The next prime is 22222011222013. The reversal of 22222011222002 is 20022211022222.

It can be written as a sum of positive squares in 4 ways, for example, as 18608016317401 + 3613994904601 = 4313701^2 + 1901051^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2170808 + ... + 7011164.

Almost surely, 2^{22222011222002} is an apocalyptic number.

22222011222002 is a deficient number, since it is larger than the sum of its proper divisors (13072039977958).

22222011222002 is a wasteful number, since it uses less digits than its factorization.

22222011222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975405.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22222011222002 its reverse (20022211022222), we get a palindrome (42244222244224).

The spelling of 22222011222002 in words is "twenty-two trillion, two hundred twenty-two billion, eleven million, two hundred twenty-two thousand, two".