222244042213520 has 160 divisors (see below), whose sum is σ = 532405053252864. Its totient is φ = 86245302528000.

The previous prime is 222244042213513. The next prime is 222244042213547. The reversal of 222244042213520 is 25312240442222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128770199 + ... + 130484681.

Almost surely, 2^{222244042213520} is an apocalyptic number.

222244042213520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222244042213520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266202526626432).

222244042213520 is an abundant number, since it is smaller than the sum of its proper divisors (310161011039344).

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

222244042213520 is a wasteful number, since it uses less digits than its factorization.

222244042213520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714921 (or 1714915 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 222244042213520 its reverse (25312240442222), we get a palindrome (247556282655742).

The spelling of 222244042213520 in words is "two hundred twenty-two trillion, two hundred forty-four billion, forty-two million, two hundred thirteen thousand, five hundred twenty".