226664869 has 4 divisors (see below), whose sum is σ = 226704096. Its totient is φ = 226625644.

The previous prime is 226664863. The next prime is 226664881. The reversal of 226664869 is 968466622.

It is a happy number.

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 226664869 - 2³ = 226664861 is a prime.

It is a super-2 number, since 2×226664869² = 102753925677574322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226664861) 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, 9049 + ... + 23134.

It is an arithmetic number, because the mean of its divisors is an integer number (56676024).

Almost surely, 2^226664869 is an apocalyptic number.

It is an amenable number.

226664869 is a deficient number, since it is larger than the sum of its proper divisors (39227).

226664869 is an equidigital number, since it uses as much as digits as its factorization.

226664869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39226.

The product of its digits is 1492992, while the sum is 49.

The square root of 226664869 is about 15055.3933525498. The cubic root of 226664869 is about 609.7166730458.

The spelling of 226664869 in words is "two hundred twenty-six million, six hundred sixty-four thousand, eight hundred sixty-nine".