222794685 has 16 divisors (see below), whose sum is σ = 396079680. Its totient is φ = 118823760.

The previous prime is 222794683. The next prime is 222794699. The reversal of 222794685 is 586497222.

It is not a de Polignac number, because 222794685 - 2¹ = 222794683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222794685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222794681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825031 + ... + 825300.

It is an arithmetic number, because the mean of its divisors is an integer number (24754980).

Almost surely, 2^222794685 is an apocalyptic number.

It is an amenable number.

222794685 is a deficient number, since it is larger than the sum of its proper divisors (173284995).

222794685 is a wasteful number, since it uses less digits than its factorization.

222794685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650345 (or 1650339 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 222794685 is about 14926.3084853556. The cubic root of 222794685 is about 606.2265352451.

The spelling of 222794685 in words is "two hundred twenty-two million, seven hundred ninety-four thousand, six hundred eighty-five".