222863712 has 48 divisors (see below), whose sum is σ = 603896832. Its totient is φ = 71890560.

The previous prime is 222863701. The next prime is 222863713. The reversal of 222863712 is 217368222.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222863713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34468 + ... + 40419.

It is an arithmetic number, because the mean of its divisors is an integer number (12581184).

Almost surely, 2^222863712 is an apocalyptic number.

It is an amenable number.

222863712 is an abundant number, since it is smaller than the sum of its proper divisors (381033120).

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

222863712 is a wasteful number, since it uses less digits than its factorization.

222863712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74931 (or 74923 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 222863712 is about 14928.6205658795. The cubic root of 222863712 is about 606.2891364964.

The spelling of 222863712 in words is "two hundred twenty-two million, eight hundred sixty-three thousand, seven hundred twelve".