222665349 has 8 divisors (see below), whose sum is σ = 302488992. Its totient is φ = 145642640.

The previous prime is 222665347. The next prime is 222665381. The reversal of 222665349 is 943566222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222665349 - 2¹ = 222665347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222665341) 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 7 ways as a sum of consecutive naturals, for example, 700047 + ... + 700364.

It is an arithmetic number, because the mean of its divisors is an integer number (37811124).

Almost surely, 2^222665349 is an apocalyptic number.

It is an amenable number.

222665349 is a deficient number, since it is larger than the sum of its proper divisors (79823643).

222665349 is a wasteful number, since it uses less digits than its factorization.

222665349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400467.

The product of its digits is 155520, while the sum is 39.

The square root of 222665349 is about 14921.9753719137. The cubic root of 222665349 is about 606.1092043608.

The spelling of 222665349 in words is "two hundred twenty-two million, six hundred sixty-five thousand, three hundred forty-nine".