226332521 has 4 divisors (see below), whose sum is σ = 231596112. Its totient is φ = 221068932.

The previous prime is 226332497. The next prime is 226332523. The reversal of 226332521 is 125233622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125233622 = 2 ⋅62616811.

It is a cyclic number.

It is not a de Polignac number, because 226332521 - 2¹⁴ = 226316137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226332523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2631731 + ... + 2631816.

It is an arithmetic number, because the mean of its divisors is an integer number (57899028).

Almost surely, 2^226332521 is an apocalyptic number.

It is an amenable number.

226332521 is a deficient number, since it is larger than the sum of its proper divisors (5263591).

226332521 is an equidigital number, since it uses as much as digits as its factorization.

226332521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263590.

The product of its digits is 4320, while the sum is 26.

The square root of 226332521 is about 15044.3517972693. The cubic root of 226332521 is about 609.4185276854.

The spelling of 226332521 in words is "two hundred twenty-six million, three hundred thirty-two thousand, five hundred twenty-one".