222457896 has 24 divisors (see below), whose sum is σ = 602490330. Its totient is φ = 74152608.

The previous prime is 222457867. The next prime is 222457897. The reversal of 222457896 is 698754222.

It can be written as a sum of positive squares in only one way, i.e., 221592996 + 864900 = 14886^2 + 930^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (222457897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1544775 + ... + 1544918.

Almost surely, 2^222457896 is an apocalyptic number.

It is an amenable number.

222457896 is an abundant number, since it is smaller than the sum of its proper divisors (380032434).

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

222457896 is a wasteful number, since it uses less digits than its factorization.

222457896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089705 (or 3089698 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 222457896 is about 14915.0224941165. The cubic root of 222457896 is about 605.9209124643.

The spelling of 222457896 in words is "two hundred twenty-two million, four hundred fifty-seven thousand, eight hundred ninety-six".