226144537 has 2 divisors, whose sum is σ = 226144538. Its totient is φ = 226144536.

The previous prime is 226144459. The next prime is 226144549. The reversal of 226144537 is 735441622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120033936 + 106110601 = 10956^2 + 10301^2 .

It is a cyclic number.

It is not a de Polignac number, because 226144537 - 2⁷ = 226144409 is a prime.

It is a super-2 number, since 2×226144537² = 102282703229888738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226144937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113072268 + 113072269.

It is an arithmetic number, because the mean of its divisors is an integer number (113072269).

Almost surely, 2^226144537 is an apocalyptic number.

It is an amenable number.

226144537 is a deficient number, since it is larger than the sum of its proper divisors (1).

226144537 is an equidigital number, since it uses as much as digits as its factorization.

226144537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 34.

The square root of 226144537 is about 15038.1028391217. The cubic root of 226144537 is about 609.2497602697.

The spelling of 226144537 in words is "two hundred twenty-six million, one hundred forty-four thousand, five hundred thirty-seven".