222747830340 has 48 divisors (see below), whose sum is σ = 712793058432. Its totient is φ = 50913789696.

The previous prime is 222747830297. The next prime is 222747830359. The reversal of 222747830340 is 43038747222.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 222747830292 and 222747830301.

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, 265175569 + ... + 265176408.

It is an arithmetic number, because the mean of its divisors is an integer number (14849855384).

Almost surely, 2^222747830340 is an apocalyptic number.

222747830340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222747830340 is an abundant number, since it is smaller than the sum of its proper divisors (490045228092).

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

222747830340 is a wasteful number, since it uses less digits than its factorization.

222747830340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530351996 (or 530351994 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 222747830340 in words is "two hundred twenty-two billion, seven hundred forty-seven million, eight hundred thirty thousand, three hundred forty".