222705616 has 40 divisors (see below), whose sum is σ = 510145920. Its totient is φ = 92152704.

The previous prime is 222705607. The next prime is 222705649. The reversal of 222705616 is 616507222.

222705616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31036 + ... + 37531.

It is an arithmetic number, because the mean of its divisors is an integer number (12753648).

Almost surely, 2^222705616 is an apocalyptic number.

It is an amenable number.

222705616 is an abundant number, since it is smaller than the sum of its proper divisors (287440304).

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

222705616 is a wasteful number, since it uses less digits than its factorization.

222705616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68611 (or 68605 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 222705616 is about 14923.3245625765. The cubic root of 222705616 is about 606.1457386014.

The spelling of 222705616 in words is "two hundred twenty-two million, seven hundred five thousand, six hundred sixteen".