22331112002 has 4 divisors (see below), whose sum is σ = 33496668006. Its totient is φ = 11165556000.

The previous prime is 22331111989. The next prime is 22331112007. The reversal of 22331112002 is 20021113322.

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., 16795900801 + 5535211201 = 129599^2 + 74399^2 .

It is not an unprimeable number, because it can be changed into a prime (22331112007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5582777999 + ... + 5582778002.

Almost surely, 2^22331112002 is an apocalyptic number.

22331112002 is a deficient number, since it is larger than the sum of its proper divisors (11165556004).

22331112002 is a wasteful number, since it uses less digits than its factorization.

22331112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11165556003.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22331112002 its reverse (20021113322), we get a palindrome (42352225324).

The spelling of 22331112002 in words is "twenty-two billion, three hundred thirty-one million, one hundred twelve thousand, two".