22222234666900 has 18 divisors (see below), whose sum is σ = 48222249227390. Its totient is φ = 8888893866720.

The previous prime is 22222234666889. The next prime is 22222234666927. The reversal of 22222234666900 is 966643222222.

It can be written as a sum of positive squares in 3 ways, for example, as 6842441029636 + 15379793637264 = 2615806^2 + 3921708^2 .

It is a super-2 number, since 2×22222234666900² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111111173235 + ... + 111111173434.

Almost surely, 2^{22222234666900} is an apocalyptic number.

22222234666900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222234666900 is an abundant number, since it is smaller than the sum of its proper divisors (26000014560490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22222234666900 is a wasteful number, since it uses less digits than its factorization.

22222234666900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222222346683 (or 222222346676 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 22222234666900 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred thirty-four million, six hundred sixty-six thousand, nine hundred".