226122631 has 4 divisors (see below), whose sum is σ = 258425872. Its totient is φ = 193819392.

The previous prime is 226122613. The next prime is 226122641. The reversal of 226122631 is 136221622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226122631 - 2²¹ = 224025479 is a prime.

It is a super-2 number, since 2×226122631² = 102262888500724322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226122596 and 226122605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226122601) 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 in 3 ways as a sum of consecutive naturals, for example, 16151610 + ... + 16151623.

It is an arithmetic number, because the mean of its divisors is an integer number (64606468).

Almost surely, 2^226122631 is an apocalyptic number.

226122631 is a deficient number, since it is larger than the sum of its proper divisors (32303241).

226122631 is an equidigital number, since it uses as much as digits as its factorization.

226122631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32303240.

The product of its digits is 1728, while the sum is 25.

The square root of 226122631 is about 15037.3744716290. The cubic root of 226122631 is about 609.2300875177.

The spelling of 226122631 in words is "two hundred twenty-six million, one hundred twenty-two thousand, six hundred thirty-one".