226393739 has 16 divisors (see below), whose sum is σ = 266832384. Its totient is φ = 189367200.

The previous prime is 226393693. The next prime is 226393757. The reversal of 226393739 is 937393622.

It is a de Polignac number, because none of the positive numbers 2^k-226393739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226393739.

It is not an unprimeable number, because it can be changed into a prime (226393789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44942 + ... + 49724.

It is an arithmetic number, because the mean of its divisors is an integer number (16677024).

Almost surely, 2^226393739 is an apocalyptic number.

226393739 is a deficient number, since it is larger than the sum of its proper divisors (40438645).

226393739 is a wasteful number, since it uses less digits than its factorization.

226393739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138.

The product of its digits is 367416, while the sum is 44.

The square root of 226393739 is about 15046.3862438793. The cubic root of 226393739 is about 609.4734675296.

The spelling of 226393739 in words is "two hundred twenty-six million, three hundred ninety-three thousand, seven hundred thirty-nine".