222511485 has 16 divisors (see below), whose sum is σ = 406878336. Its totient is φ = 101719488.

The previous prime is 222511477. The next prime is 222511511. The reversal of 222511485 is 584115222.

222511485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222511485 - 2³ = 222511477 is a prime.

It is a super-2 number, since 2×222511485² = 99022721913810450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059474 + ... + 1059683.

It is an arithmetic number, because the mean of its divisors is an integer number (25429896).

Almost surely, 2^222511485 is an apocalyptic number.

It is an amenable number.

222511485 is a deficient number, since it is larger than the sum of its proper divisors (184366851).

222511485 is a wasteful number, since it uses less digits than its factorization.

222511485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119172.

The product of its digits is 6400, while the sum is 30.

The square root of 222511485 is about 14916.8188632831. The cubic root of 222511485 is about 605.9695630020.

The spelling of 222511485 in words is "two hundred twenty-two million, five hundred eleven thousand, four hundred eighty-five".