226751849 has 2 divisors, whose sum is σ = 226751850. Its totient is φ = 226751848.

The previous prime is 226751761. The next prime is 226751867. The reversal of 226751849 is 948157622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138485824 + 88266025 = 11768^2 + 9395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226751849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226751869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113375924 + 113375925.

It is an arithmetic number, because the mean of its divisors is an integer number (113375925).

Almost surely, 2^226751849 is an apocalyptic number.

It is an amenable number.

226751849 is a deficient number, since it is larger than the sum of its proper divisors (1).

226751849 is an equidigital number, since it uses as much as digits as its factorization.

226751849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 226751849 is about 15058.2817412877. The cubic root of 226751849 is about 609.7946536261.

The spelling of 226751849 in words is "two hundred twenty-six million, seven hundred fifty-one thousand, eight hundred forty-nine".