222333212113220 has 24 divisors (see below), whose sum is σ = 502815110472024. Its totient is φ = 82092262934016.

The previous prime is 222333212113171. The next prime is 222333212113273. The reversal of 222333212113220 is 22311212333222.

It can be written as a sum of positive squares in 4 ways, for example, as 101027351104 + 222232184762116 = 317848^2 + 14907454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427563869189 + ... + 427563869708.

It is an arithmetic number, because the mean of its divisors is an integer number (20950629603001).

Almost surely, 2^{222333212113220} is an apocalyptic number.

222333212113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222333212113220 is an abundant number, since it is smaller than the sum of its proper divisors (280481898358804).

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

222333212113220 is a wasteful number, since it uses less digits than its factorization.

222333212113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855127738919 (or 855127738917 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 222333212113220 its reverse (22311212333222), we get a palindrome (244644424446442).

The spelling of 222333212113220 in words is "two hundred twenty-two trillion, three hundred thirty-three billion, two hundred twelve million, one hundred thirteen thousand, two hundred twenty".