223355690 has 16 divisors (see below), whose sum is σ = 425689992. Its totient is φ = 84086784.

The previous prime is 223355681. The next prime is 223355711. The reversal of 223355690 is 96553322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 181144681 + 42211009 = 13459^2 + 6497^2 .

It is a super-2 number, since 2×223355690² = 99775528510752200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223355690.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656759 + ... + 657098.

Almost surely, 2^223355690 is an apocalyptic number.

223355690 is a deficient number, since it is larger than the sum of its proper divisors (202334302).

223355690 is a wasteful number, since it uses less digits than its factorization.

223355690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313881.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 223355690 is about 14945.0891599883. The cubic root of 223355690 is about 606.7349421340.

The spelling of 223355690 in words is "two hundred twenty-three million, three hundred fifty-five thousand, six hundred ninety".