226507749 has 24 divisors (see below), whose sum is σ = 340028640. Its totient is φ = 133316832.

The previous prime is 226507741. The next prime is 226507753. The reversal of 226507749 is 947705622.

226507749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226507749 - 2³ = 226507741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226507749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226507741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15142 + ... + 26120.

It is an arithmetic number, because the mean of its divisors is an integer number (14167860).

Almost surely, 2^226507749 is an apocalyptic number.

It is an amenable number.

226507749 is a deficient number, since it is larger than the sum of its proper divisors (113520891).

226507749 is a wasteful number, since it uses less digits than its factorization.

226507749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041 (or 11018 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 226507749 is about 15050.1743843718. The cubic root of 226507749 is about 609.5757589466.

The spelling of 226507749 in words is "two hundred twenty-six million, five hundred seven thousand, seven hundred forty-nine".