222550716 has 24 divisors (see below), whose sum is σ = 519526224. Its totient is φ = 74149120.

The previous prime is 222550711. The next prime is 222550739. The reversal of 222550716 is 617055222.

222550716 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222550716² = 99057642384225312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222550711) 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, 48706 + ... + 53078.

It is an arithmetic number, because the mean of its divisors is an integer number (21646926).

Almost surely, 2^222550716 is an apocalyptic number.

It is an amenable number.

222550716 is an abundant number, since it is smaller than the sum of its proper divisors (296975508).

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

222550716 is a wasteful number, since it uses less digits than its factorization.

222550716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621 (or 8619 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 222550716 is about 14918.1337974963. The cubic root of 222550716 is about 606.0051737405.

The spelling of 222550716 in words is "two hundred twenty-two million, five hundred fifty thousand, seven hundred sixteen".