222664550800 has 30 divisors (see below), whose sum is σ = 534951584258. Its totient is φ = 89065820160.

The previous prime is 222664550737. The next prime is 222664550803. The reversal of 222664550800 is 8055466222.

It can be written as a sum of positive squares in 3 ways, for example, as 22866278656 + 199798272144 = 151216^2 + 446988^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (222664550803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278330289 + ... + 278331088.

Almost surely, 2^222664550800 is an apocalyptic number.

222664550800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222664550800 is an abundant number, since it is smaller than the sum of its proper divisors (312287033458).

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

222664550800 is a wasteful number, since it uses less digits than its factorization.

222664550800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556661395 (or 556661384 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 222664550800 in words is "two hundred twenty-two billion, six hundred sixty-four million, five hundred fifty thousand, eight hundred".