222616449 has 12 divisors (see below), whose sum is σ = 350789712. Its totient is φ = 134919000.

The previous prime is 222616417. The next prime is 222616451. The reversal of 222616449 is 944616222.

222616449 is a `hidden beast` number, since 2 + 2 + 2 + 6 + 1 + 644 + 9 = 666.

It is not a de Polignac number, because 222616449 - 2⁵ = 222616417 is a prime.

It is a super-3 number, since 3×222616449³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (222616469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1124227 + ... + 1124424.

It is an arithmetic number, because the mean of its divisors is an integer number (29232476).

Almost surely, 2^222616449 is an apocalyptic number.

It is an amenable number.

222616449 is a deficient number, since it is larger than the sum of its proper divisors (128173263).

222616449 is a wasteful number, since it uses less digits than its factorization.

222616449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248668 (or 2248665 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 222616449 is about 14920.3367589341. The cubic root of 222616449 is about 606.0648314784.

The spelling of 222616449 in words is "two hundred twenty-two million, six hundred sixteen thousand, four hundred forty-nine".