122222222002 has 16 divisors (see below), whose sum is σ = 183543007032. Its totient is φ = 61041254400.

The previous prime is 122222221987. The next prime is 122222222011. The reversal of 122222222002 is 200222222221.

It can be written as a sum of positive squares in 4 ways, for example, as 92854887841 + 29367334161 = 304721^2 + 171369^2 .

It is a super-2 number, since 2×122222222002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10219258 + ... + 10231210.

Almost surely, 2^122222222002 is an apocalyptic number.

122222222002 is a deficient number, since it is larger than the sum of its proper divisors (61320785030).

122222222002 is a wasteful number, since it uses less digits than its factorization.

122222222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17373.

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

Adding to 122222222002 its reverse (200222222221), we get a palindrome (322444444223).

The spelling of 122222222002 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two".