226738493 has 2 divisors, whose sum is σ = 226738494. Its totient is φ = 226738492.

The previous prime is 226738483. The next prime is 226738541. The reversal of 226738493 is 394837622.

226738493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204289849 + 22448644 = 14293^2 + 4738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226738493 is a prime.

It is a super-2 number, since 2×226738493² = 102820688415822098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226738483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113369246 + 113369247.

It is an arithmetic number, because the mean of its divisors is an integer number (113369247).

Almost surely, 2^226738493 is an apocalyptic number.

It is an amenable number.

226738493 is a deficient number, since it is larger than the sum of its proper divisors (1).

226738493 is an equidigital number, since it uses as much as digits as its factorization.

226738493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 226738493 is about 15057.8382578642. The cubic root of 226738493 is about 609.7826808060.

The spelling of 226738493 in words is "two hundred twenty-six million, seven hundred thirty-eight thousand, four hundred ninety-three".