222777703378944 has 520 divisors, whose sum is σ = 766046025409280. Its totient is φ = 63192761597952.

The previous prime is 222777703378907. The next prime is 222777703379009. The reversal of 222777703378944 is 449873307777222.

222777703378944 is a `hidden beast` number, since 22 + 27 + 77 + 70 + 337 + 89 + 44 = 666.

222777703378944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 322472997 + ... + 323163099.

Almost surely, 2^{222777703378944} is an apocalyptic number.

222777703378944 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 222777703378944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383023012704640).

222777703378944 is an abundant number, since it is smaller than the sum of its proper divisors (543268322030336).

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

222777703378944 is an equidigital number, since it uses as much as digits as its factorization.

222777703378944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690285 (or 690254 counting only the distinct ones).

The product of its (nonzero) digits is 1394039808, while the sum is 72.

The spelling of 222777703378944 in words is "two hundred twenty-two trillion, seven hundred seventy-seven billion, seven hundred three million, three hundred seventy-eight thousand, nine hundred forty-four".