226720039 has 32 divisors (see below), whose sum is σ = 293529600. Its totient is φ = 170197632.

The previous prime is 226720031. The next prime is 226720049. The reversal of 226720039 is 930027622.

It is a cyclic number.

It is not a de Polignac number, because 226720039 - 2³ = 226720031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226720031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311494 + ... + 312220.

It is an arithmetic number, because the mean of its divisors is an integer number (9172800).

Almost surely, 2^226720039 is an apocalyptic number.

226720039 is a deficient number, since it is larger than the sum of its proper divisors (66809561).

226720039 is a wasteful number, since it uses less digits than its factorization.

226720039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 226720039 is about 15057.2254748343. The cubic root of 226720039 is about 609.7661371735.

The spelling of 226720039 in words is "two hundred twenty-six million, seven hundred twenty thousand, thirty-nine".