222244132130000 has 100 divisors (see below), whose sum is σ = 538088584713108. Its totient is φ = 88895452800000.

The previous prime is 222244132129927. The next prime is 222244132130003. The reversal of 222244132130000 is 31231442222.

It can be written as a sum of positive squares in 10 ways, for example, as 195912537759376 + 26331594370624 = 13996876^2 + 5131432^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222244132130003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 438876950 + ... + 439383050.

Almost surely, 2^{222244132130000} is an apocalyptic number.

222244132130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222244132130000 is an abundant number, since it is smaller than the sum of its proper divisors (315844452583108).

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

222244132130000 is an equidigital number, since it uses as much as digits as its factorization.

222244132130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550042 (or 550021 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 222244132130000 its reverse (31231442222), we get a palindrome (222275363572222).

The spelling of 222244132130000 in words is "two hundred twenty-two trillion, two hundred forty-four billion, one hundred thirty-two million, one hundred thirty thousand".