222877998 has 24 divisors (see below), whose sum is σ = 551888688. Its totient is φ = 63679392.

The previous prime is 222877997. The next prime is 222878011. The reversal of 222877998 is 899778222.

222877998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222877997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 884311 + ... + 884562.

It is an arithmetic number, because the mean of its divisors is an integer number (22995362).

Almost surely, 2^222877998 is an apocalyptic number.

222877998 is an abundant number, since it is smaller than the sum of its proper divisors (329010690).

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

222877998 is a wasteful number, since it uses less digits than its factorization.

222877998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768888 (or 1768885 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 222877998 is about 14929.0990351059. The cubic root of 222877998 is about 606.3020909929.

The spelling of 222877998 in words is "two hundred twenty-two million, eight hundred seventy-seven thousand, nine hundred ninety-eight".