223396969 has 4 divisors (see below), whose sum is σ = 228150144. Its totient is φ = 218643796.

The previous prime is 223396939. The next prime is 223396991. The reversal of 223396969 is 969693322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223396969 - 2²¹ = 221299817 is a prime.

It is a super-2 number, since 2×223396969² = 99812411516773922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223396939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376517 + ... + 2376610.

It is an arithmetic number, because the mean of its divisors is an integer number (57037536).

Almost surely, 2^223396969 is an apocalyptic number.

It is an amenable number.

223396969 is a deficient number, since it is larger than the sum of its proper divisors (4753175).

223396969 is an equidigital number, since it uses as much as digits as its factorization.

223396969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753174.

The product of its digits is 944784, while the sum is 49.

The square root of 223396969 is about 14946.4701183925. The cubic root of 223396969 is about 606.7723173015.

The spelling of 223396969 in words is "two hundred twenty-three million, three hundred ninety-six thousand, nine hundred sixty-nine".