222547 has 16 divisors (see below), whose sum is σ = 272160. Its totient is φ = 179712.

The previous prime is 222533. The next prime is 222553. The reversal of 222547 is 745222.

It is not a de Polignac number, because 222547 - 2⁷ = 222419 is a prime.

It is a Duffinian number.

222547 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (222527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4173 + ... + 4225.

It is an arithmetic number, because the mean of its divisors is an integer number (17010).

2²²²⁵⁴⁷ is an apocalyptic number.

222547 is a deficient number, since it is larger than the sum of its proper divisors (49613).

222547 is a wasteful number, since it uses less digits than its factorization.

222547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102.

The product of its digits is 1120, while the sum is 22.

The square root of 222547 is about 471.7488738725. The cubic root of 222547 is about 60.6001800835.

Adding to 222547 its reverse (745222), we get a palindrome (967769).

The spelling of 222547 in words is "two hundred twenty-two thousand, five hundred forty-seven".