22212232332100 has 18 divisors (see below), whose sum is σ = 48200544160874. Its totient is φ = 8884892932800.

The previous prime is 22212232332089. The next prime is 22212232332131. The reversal of 22212232332100 is 123323221222.

It can be written as a sum of positive squares in 3 ways, for example, as 1022800504896 + 21189431827204 = 1011336^2 + 4603198^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 111061161561 + ... + 111061161760.

Almost surely, 2^{22212232332100} is an apocalyptic number.

22212232332100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212232332100 is an abundant number, since it is smaller than the sum of its proper divisors (25988311828774).

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

22212232332100 is a wasteful number, since it uses less digits than its factorization.

22212232332100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222122323335 (or 222122323328 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22212232332100 its reverse (123323221222), we get a palindrome (22335555553322).

The spelling of 22212232332100 in words is "twenty-two trillion, two hundred twelve billion, two hundred thirty-two million, three hundred thirty-two thousand, one hundred".