222630892 has 48 divisors (see below), whose sum is σ = 446342400. Its totient is φ = 96176960.

The previous prime is 222630857. The next prime is 222630893. The reversal of 222630892 is 298036222.

222630892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222630893) 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, 180534 + ... + 181762.

It is an arithmetic number, because the mean of its divisors is an integer number (9298800).

Almost surely, 2^222630892 is an apocalyptic number.

222630892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222630892 is an abundant number, since it is smaller than the sum of its proper divisors (223711508).

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

222630892 is a wasteful number, since it uses less digits than its factorization.

222630892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 222630892 is about 14920.8207549049. The cubic root of 222630892 is about 606.0779380347.

The spelling of 222630892 in words is "two hundred twenty-two million, six hundred thirty thousand, eight hundred ninety-two".