222130344420 has 72 divisors (see below), whose sum is σ = 674692986240. Its totient is φ = 59155848000.

The previous prime is 222130344419. The next prime is 222130344431. The reversal of 222130344420 is 24443031222.

222130344420 is a `hidden beast` number, since 2 + 2 + 213 + 0 + 3 + 4 + 442 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686430 + ... + 956789.

It is an arithmetic number, because the mean of its divisors is an integer number (9370735920).

Almost surely, 2^222130344420 is an apocalyptic number.

222130344420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222130344420 is an abundant number, since it is smaller than the sum of its proper divisors (452562641820).

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

222130344420 is a wasteful number, since it uses less digits than its factorization.

222130344420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643985 (or 1643980 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 222130344420 its reverse (24443031222), we get a palindrome (246573375642).

The spelling of 222130344420 in words is "two hundred twenty-two billion, one hundred thirty million, three hundred forty-four thousand, four hundred twenty".