222431043133220 has 24 divisors (see below), whose sum is σ = 467106736332600. Its totient is φ = 88972122824192.

The previous prime is 222431043133163. The next prime is 222431043133223. The reversal of 222431043133220 is 22331340134222.

It can be written as a sum of positive squares in 4 ways, for example, as 131196910790884 + 91234132342336 = 11454122^2 + 9551656^2 .

It is a super-2 number, since 2×222431043133220² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222431043133223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12155285 + ... + 24343644.

It is an arithmetic number, because the mean of its divisors is an integer number (19462780680525).

Almost surely, 2^{222431043133220} is an apocalyptic number.

222431043133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222431043133220 is an abundant number, since it is smaller than the sum of its proper divisors (244675693199380).

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

222431043133220 is a wasteful number, since it uses less digits than its factorization.

222431043133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36803647 (or 36803645 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 222431043133220 its reverse (22331340134222), we get a palindrome (244762383267442).

The spelling of 222431043133220 in words is "two hundred twenty-two trillion, four hundred thirty-one billion, forty-three million, one hundred thirty-three thousand, two hundred twenty".