222671278320 has 80 divisors (see below), whose sum is σ = 690978250752. Its totient is φ = 59319025920.

The previous prime is 222671278283. The next prime is 222671278327. The reversal of 222671278320 is 23872176222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222671278327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230272 + ... + 705951.

Almost surely, 2^222671278320 is an apocalyptic number.

222671278320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222671278320 is an abundant number, since it is smaller than the sum of its proper divisors (468306972432).

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

222671278320 is a wasteful number, since it uses less digits than its factorization.

222671278320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937230 (or 937224 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

It can be divided in two parts, 2226712 and 78320, that added together give a palindrome (2305032).

The spelling of 222671278320 in words is "two hundred twenty-two billion, six hundred seventy-one million, two hundred seventy-eight thousand, three hundred twenty".