222880839978 has 8 divisors (see below), whose sum is σ = 445761679968. Its totient is φ = 74293613324.

The previous prime is 222880839941. The next prime is 222880840079. The reversal of 222880839978 is 879938088222.

It is a sphenic number, since it is the product of 3 distinct primes.

222880839978 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18573403326 + ... + 18573403337.

It is an arithmetic number, because the mean of its divisors is an integer number (55720209996).

Almost surely, 2^222880839978 is an apocalyptic number.

222880839978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222880839978 is a wasteful number, since it uses less digits than its factorization.

222880839978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37146806668.

The product of its (nonzero) digits is 55738368, while the sum is 66.

The spelling of 222880839978 in words is "two hundred twenty-two billion, eight hundred eighty million, eight hundred thirty-nine thousand, nine hundred seventy-eight".