222764520140 has 12 divisors (see below), whose sum is σ = 467805492336. Its totient is φ = 89105808048.

The previous prime is 222764520131. The next prime is 222764520247. The reversal of 222764520140 is 41025467222.

It is a self number, because there is not a number n which added to its sum of digits gives 222764520140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5569112984 + ... + 5569113023.

It is an arithmetic number, because the mean of its divisors is an integer number (38983791028).

Almost surely, 2^222764520140 is an apocalyptic number.

222764520140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222764520140 is an abundant number, since it is smaller than the sum of its proper divisors (245040972196).

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

222764520140 is a wasteful number, since it uses less digits than its factorization.

222764520140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11138226016 (or 11138226014 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 222764520140 its reverse (41025467222), we get a palindrome (263789987362).

The spelling of 222764520140 in words is "two hundred twenty-two billion, seven hundred sixty-four million, five hundred twenty thousand, one hundred forty".