226858649 has 2 divisors, whose sum is σ = 226858650. Its totient is φ = 226858648.

The previous prime is 226858631. The next prime is 226858657. The reversal of 226858649 is 946858622.

226858649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207216025 + 19642624 = 14395^2 + 4432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226858649 is a prime.

It is a super-2 number, since 2×226858649² = 102929693252210402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 226858597 and 226858606.

It is not a weakly prime, because it can be changed into another prime (226858349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113429324 + 113429325.

It is an arithmetic number, because the mean of its divisors is an integer number (113429325).

Almost surely, 2^226858649 is an apocalyptic number.

It is an amenable number.

226858649 is a deficient number, since it is larger than the sum of its proper divisors (1).

226858649 is an equidigital number, since it uses as much as digits as its factorization.

226858649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 50.

The square root of 226858649 is about 15061.8275451553. The cubic root of 226858649 is about 609.8903762515.

The spelling of 226858649 in words is "two hundred twenty-six million, eight hundred fifty-eight thousand, six hundred forty-nine".