222585449 has 4 divisors (see below), whose sum is σ = 223918464. Its totient is φ = 221252436.

The previous prime is 222585413. The next prime is 222585463. The reversal of 222585449 is 944585222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222585449 - 2⁸ = 222585193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222585409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666257 + ... + 666590.

It is an arithmetic number, because the mean of its divisors is an integer number (55979616).

Almost surely, 2^222585449 is an apocalyptic number.

It is an amenable number.

222585449 is a deficient number, since it is larger than the sum of its proper divisors (1333015).

222585449 is a wasteful number, since it uses less digits than its factorization.

222585449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333014.

The product of its digits is 230400, while the sum is 41.

The square root of 222585449 is about 14919.2978722191. The cubic root of 222585449 is about 606.0366980648.

The spelling of 222585449 in words is "two hundred twenty-two million, five hundred eighty-five thousand, four hundred forty-nine".