22222120032002 has 12 divisors (see below), whose sum is σ = 36638949970518. Its totient is φ = 10100963650800.

The previous prime is 22222120031959. The next prime is 22222120032029. The reversal of 22222120032002 is 20023002122222.

It can be written as a sum of positive squares in only one way, i.e., 21041679068641 + 1180440963361 = 4587121^2 + 1086481^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45913470899 + ... + 45913471382.

Almost surely, 2^{22222120032002} is an apocalyptic number.

22222120032002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22222120032002 is a deficient number, since it is larger than the sum of its proper divisors (14416829938516).

22222120032002 is a wasteful number, since it uses less digits than its factorization.

22222120032002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91826942305 (or 91826942294 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22222120032002 its reverse (20023002122222), we get a palindrome (42245122154224).

The spelling of 22222120032002 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, thirty-two thousand, two".