222893247240 has 48 divisors (see below), whose sum is σ = 724403054700. Its totient is φ = 59438199168.

The previous prime is 222893247223. The next prime is 222893247257. The reversal of 222893247240 is 42742398222.

222893247240 is a `hidden beast` number, since 2 + 2 + 2 + 89 + 324 + 7 + 240 = 666.

It is an interprime number because it is at equal distance from previous prime (222893247223) and next prime (222893247257).

It can be written as a sum of positive squares in 2 ways, for example, as 214659862596 + 8233384644 = 463314^2 + 90738^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 309573595 + ... + 309574314.

Almost surely, 2^222893247240 is an apocalyptic number.

222893247240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222893247240 is an abundant number, since it is smaller than the sum of its proper divisors (501509807460).

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

222893247240 is a wasteful number, since it uses less digits than its factorization.

222893247240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619147926 (or 619147919 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 222893247240 in words is "two hundred twenty-two billion, eight hundred ninety-three million, two hundred forty-seven thousand, two hundred forty".