261433226 has 16 divisors (see below), whose sum is σ = 409727808. Its totient is φ = 124872000.

The previous prime is 261433219. The next prime is 261433229. The reversal of 261433226 is 622334162.

It is not an unprimeable number, because it can be changed into a prime (261433229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37301 + ... + 43751.

It is an arithmetic number, because the mean of its divisors is an integer number (25607988).

Almost surely, 2^261433226 is an apocalyptic number.

261433226 is a deficient number, since it is larger than the sum of its proper divisors (148294582).

261433226 is a wasteful number, since it uses less digits than its factorization.

261433226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7357.

The product of its digits is 10368, while the sum is 29.

The square root of 261433226 is about 16168.8968702259. The cubic root of 261433226 is about 639.4210470670.

Adding to 261433226 its reverse (622334162), we get a palindrome (883767388).

The spelling of 261433226 in words is "two hundred sixty-one million, four hundred thirty-three thousand, two hundred twenty-six".