223042885 has 16 divisors (see below), whose sum is σ = 290893680. Its totient is φ = 163192320.

The previous prime is 223042877. The next prime is 223042889. The reversal of 223042885 is 588240322.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 39413284 + 183629601 = 6278^2 + 13551^2 .

It is not a de Polignac number, because 223042885 - 2³ = 223042877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223042885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223042889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8656 + ... + 22825.

It is an arithmetic number, because the mean of its divisors is an integer number (18180855).

Almost surely, 2^223042885 is an apocalyptic number.

It is an amenable number.

223042885 is a deficient number, since it is larger than the sum of its proper divisors (67850795).

223042885 is a wasteful number, since it uses less digits than its factorization.

223042885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31608.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 223042885 is about 14934.6203500457. The cubic root of 223042885 is about 606.4515699167.

The spelling of 223042885 in words is "two hundred twenty-three million, forty-two thousand, eight hundred eighty-five".