226400039 has 4 divisors (see below), whose sum is σ = 227397624. Its totient is φ = 225402456.

The previous prime is 226400021. The next prime is 226400089. The reversal of 226400039 is 930004622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226400039 - 2²⁰ = 225351463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226399990 and 226400017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226400089) 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, 498452 + ... + 498905.

It is an arithmetic number, because the mean of its divisors is an integer number (56849406).

Almost surely, 2^226400039 is an apocalyptic number.

226400039 is a deficient number, since it is larger than the sum of its proper divisors (997585).

226400039 is an equidigital number, since it uses as much as digits as its factorization.

226400039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997584.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 226400039 is about 15046.5955950175. The cubic root of 226400039 is about 609.4791208768.

The spelling of 226400039 in words is "two hundred twenty-six million, four hundred thousand, thirty-nine".