222197578704 has 280 divisors, whose sum is σ = 665548860480. Its totient is φ = 71796865536.

The previous prime is 222197578697. The next prime is 222197578711. The reversal of 222197578704 is 407875791222.

It is an interprime number because it is at equal distance from previous prime (222197578697) and next prime (222197578711).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 50234637 + ... + 50239059.

It is an arithmetic number, because the mean of its divisors is an integer number (2376960216).

Almost surely, 2^222197578704 is an apocalyptic number.

222197578704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222197578704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332774430240).

222197578704 is an abundant number, since it is smaller than the sum of its proper divisors (443351281776).

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

222197578704 is an equidigital number, since it uses as much as digits as its factorization.

222197578704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The spelling of 222197578704 in words is "two hundred twenty-two billion, one hundred ninety-seven million, five hundred seventy-eight thousand, seven hundred four".