226042649 has 4 divisors (see below), whose sum is σ = 258334464. Its totient is φ = 193750836.

The previous prime is 226042633. The next prime is 226042651. The reversal of 226042649 is 946240622.

226042649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 226042649 - 2⁴ = 226042633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226042679) 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, 16145897 + ... + 16145910.

It is an arithmetic number, because the mean of its divisors is an integer number (64583616).

Almost surely, 2^226042649 is an apocalyptic number.

It is an amenable number.

226042649 is a deficient number, since it is larger than the sum of its proper divisors (32291815).

226042649 is an equidigital number, since it uses as much as digits as its factorization.

226042649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32291814.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 226042649 is about 15034.7147960977. The cubic root of 226042649 is about 609.1582486414.

The spelling of 226042649 in words is "two hundred twenty-six million, forty-two thousand, six hundred forty-nine".