226431437 has 2 divisors, whose sum is σ = 226431438. Its totient is φ = 226431436.

The previous prime is 226431433. The next prime is 226431461. The reversal of 226431437 is 734134622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124300201 + 102131236 = 11149^2 + 10106^2 .

It is a cyclic number.

It is not a de Polignac number, because 226431437 - 2² = 226431433 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226431433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113215718 + 113215719.

It is an arithmetic number, because the mean of its divisors is an integer number (113215719).

Almost surely, 2^226431437 is an apocalyptic number.

It is an amenable number.

226431437 is a deficient number, since it is larger than the sum of its proper divisors (1).

226431437 is an equidigital number, since it uses as much as digits as its factorization.

226431437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 32.

The square root of 226431437 is about 15047.6389177837. The cubic root of 226431437 is about 609.5072945187.

The spelling of 226431437 in words is "two hundred twenty-six million, four hundred thirty-one thousand, four hundred thirty-seven".