222240444460 has 48 divisors (see below), whose sum is σ = 487176887232. Its totient is φ = 84999622400.

The previous prime is 222240444451. The next prime is 222240444479. The reversal of 222240444460 is 64444042222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172730 + ... + 1348990.

It is an arithmetic number, because the mean of its divisors is an integer number (10149518484).

Almost surely, 2^222240444460 is an apocalyptic number.

222240444460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222240444460 is an abundant number, since it is smaller than the sum of its proper divisors (264936442772).

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

222240444460 is a wasteful number, since it uses less digits than its factorization.

222240444460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179034 (or 179032 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 222240444460 its reverse (64444042222), we get a palindrome (286684486682).

The spelling of 222240444460 in words is "two hundred twenty-two billion, two hundred forty million, four hundred forty-four thousand, four hundred sixty".