222455547 has 24 divisors (see below), whose sum is σ = 330969600. Its totient is φ = 143917488.

The previous prime is 222455543. The next prime is 222455573. The reversal of 222455547 is 745554222.

It is not a de Polignac number, because 222455547 - 2² = 222455543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222455543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39298 + ... + 44600.

It is an arithmetic number, because the mean of its divisors is an integer number (13790400).

Almost surely, 2^222455547 is an apocalyptic number.

222455547 is a deficient number, since it is larger than the sum of its proper divisors (108514053).

222455547 is a wasteful number, since it uses less digits than its factorization.

222455547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447 (or 5444 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 222455547 is about 14914.9437477987. The cubic root of 222455547 is about 605.9187797562.

The spelling of 222455547 in words is "two hundred twenty-two million, four hundred fifty-five thousand, five hundred forty-seven".