222181552 has 10 divisors (see below), whose sum is σ = 430476788. Its totient is φ = 111090768.

The previous prime is 222181543. The next prime is 222181591. The reversal of 222181552 is 255181222.

222181552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222181552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6943158 + ... + 6943189.

Almost surely, 2^222181552 is an apocalyptic number.

It is an amenable number.

222181552 is a deficient number, since it is larger than the sum of its proper divisors (208295236).

222181552 is a wasteful number, since it uses less digits than its factorization.

222181552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13886355 (or 13886349 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 222181552 is about 14905.7556668557. The cubic root of 222181552 is about 605.6699106738.

The spelling of 222181552 in words is "two hundred twenty-two million, one hundred eighty-one thousand, five hundred fifty-two".