226043387 has 2 divisors, whose sum is σ = 226043388. Its totient is φ = 226043386.

The previous prime is 226043341. The next prime is 226043393. The reversal of 226043387 is 783340622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226043387 - 2¹⁰ = 226042363 is a prime.

It is a super-2 number, since 2×226043387² = 102191225612863538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226043317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113021693 + 113021694.

It is an arithmetic number, because the mean of its divisors is an integer number (113021694).

Almost surely, 2^226043387 is an apocalyptic number.

226043387 is a deficient number, since it is larger than the sum of its proper divisors (1).

226043387 is an equidigital number, since it uses as much as digits as its factorization.

226043387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 226043387 is about 15034.7393392769. The cubic root of 226043387 is about 609.1589115817.

The spelling of 226043387 in words is "two hundred twenty-six million, forty-three thousand, three hundred eighty-seven".