226961393 has 2 divisors, whose sum is σ = 226961394. Its totient is φ = 226961392.

The previous prime is 226961359. The next prime is 226961429. The reversal of 226961393 is 393169622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198584464 + 28376929 = 14092^2 + 5327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226961393 is a prime.

It is a super-2 number, since 2×226961393² = 103022947825000898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226961393.

It is not a weakly prime, because it can be changed into another prime (226961333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113480696 + 113480697.

It is an arithmetic number, because the mean of its divisors is an integer number (113480697).

Almost surely, 2^226961393 is an apocalyptic number.

It is an amenable number.

226961393 is a deficient number, since it is larger than the sum of its proper divisors (1).

226961393 is an equidigital number, since it uses as much as digits as its factorization.

226961393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 226961393 is about 15065.2379005444. The cubic root of 226961393 is about 609.9824352194.

The spelling of 226961393 in words is "two hundred twenty-six million, nine hundred sixty-one thousand, three hundred ninety-three".