223869901 has 2 divisors, whose sum is σ = 223869902. Its totient is φ = 223869900.

The previous prime is 223869859. The next prime is 223869917. The reversal of 223869901 is 109968322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210540100 + 13329801 = 14510^2 + 3651^2 .

It is a cyclic number.

It is not a de Polignac number, because 223869901 - 2¹³ = 223861709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223569901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111934950 + 111934951.

It is an arithmetic number, because the mean of its divisors is an integer number (111934951).

Almost surely, 2^223869901 is an apocalyptic number.

It is an amenable number.

223869901 is a deficient number, since it is larger than the sum of its proper divisors (1).

223869901 is an equidigital number, since it uses as much as digits as its factorization.

223869901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 223869901 is about 14962.2826132913. The cubic root of 223869901 is about 607.2001950608.

The spelling of 223869901 in words is "two hundred twenty-three million, eight hundred sixty-nine thousand, nine hundred one".