222378776676 has 480 divisors, whose sum is σ = 694636707072. Its totient is φ = 60734914560.

The previous prime is 222378776611. The next prime is 222378776681. The reversal of 222378776676 is 676677873222.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 979642075 + ... + 979642301.

Almost surely, 2^222378776676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222378776676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347318353536).

222378776676 is an abundant number, since it is smaller than the sum of its proper divisors (472257930396).

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

222378776676 is a wasteful number, since it uses less digits than its factorization.

222378776676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 470 counting only the distinct ones).

The product of its digits is 99574272, while the sum is 63.

The spelling of 222378776676 in words is "two hundred twenty-two billion, three hundred seventy-eight million, seven hundred seventy-six thousand, six hundred seventy-six".