222376878 has 24 divisors (see below), whose sum is σ = 482634048. Its totient is φ = 73999872.

The previous prime is 222376877. The next prime is 222376879. The reversal of 222376878 is 878673222.

222376878 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222376877) and next prime (222376879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222376871) 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, 750 + ... + 21102.

It is an arithmetic number, because the mean of its divisors is an integer number (20109752).

Almost surely, 2^222376878 is an apocalyptic number.

222376878 is an abundant number, since it is smaller than the sum of its proper divisors (260257170).

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

222376878 is a wasteful number, since it uses less digits than its factorization.

222376878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20968 (or 20965 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 222376878 is about 14912.3062602671. The cubic root of 222376878 is about 605.8473457923.

The spelling of 222376878 in words is "two hundred twenty-two million, three hundred seventy-six thousand, eight hundred seventy-eight".