222546 has 16 divisors (see below), whose sum is σ = 460800. Its totient is φ = 71568.

The previous prime is 222533. The next prime is 222553. The reversal of 222546 is 645222.

222546 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 466 + ... + 813.

It is an arithmetic number, because the mean of its divisors is an integer number (28800).

2²²²⁵⁴⁶ is an apocalyptic number.

222546 is an abundant number, since it is smaller than the sum of its proper divisors (238254).

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

222546 is a wasteful number, since it uses less digits than its factorization.

222546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its digits is 960, while the sum is 21.

The square root of 222546 is about 471.7478139854. The cubic root of 222546 is about 60.6000893157.

Adding to 222546 its reverse (645222), we get a palindrome (867768).

The spelling of 222546 in words is "two hundred twenty-two thousand, five hundred forty-six".