222231133013220 has 36 divisors (see below), whose sum is σ = 674101103473980. Its totient is φ = 59261635470144.

The previous prime is 222231133013173. The next prime is 222231133013233. The reversal of 222231133013220 is 22310331132222.

222231133013220 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 3 + 1 + 1 + 330 + 1 + 322 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48316651236324 + 173914481776896 = 6951018^2 + 13187664^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617308702635 + ... + 617308702994.

It is an arithmetic number, because the mean of its divisors is an integer number (18725030652055).

Almost surely, 2^{222231133013220} is an apocalyptic number.

222231133013220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222231133013220 is an abundant number, since it is smaller than the sum of its proper divisors (451869970460760).

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

222231133013220 is a wasteful number, since it uses less digits than its factorization.

222231133013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234617405644 (or 1234617405639 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 222231133013220 its reverse (22310331132222), we get a palindrome (244541464145442).

The spelling of 222231133013220 in words is "two hundred twenty-two trillion, two hundred thirty-one billion, one hundred thirty-three million, thirteen thousand, two hundred twenty".