80226621 has 24 divisors (see below), whose sum is σ = 123420024. Its totient is φ = 50042880.

The previous prime is 80226611. The next prime is 80226637. The reversal of 80226621 is 12662208.

It can be written as a sum of positive squares in 4 ways, for example, as 34596 + 80192025 = 186^2 + 8955^2 .

It is not a de Polignac number, because 80226621 - 2⁵ = 80226589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80226611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26245 + ... + 29141.

It is an arithmetic number, because the mean of its divisors is an integer number (5142501).

Almost surely, 2^80226621 is an apocalyptic number.

It is an amenable number.

80226621 is a deficient number, since it is larger than the sum of its proper divisors (43193403).

80226621 is a wasteful number, since it uses less digits than its factorization.

80226621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 80226621 is about 8956.9314500001. The cubic root of 80226621 is about 431.2934212108.

Adding to 80226621 its reverse (12662208), we get a palindrome (92888829).

The spelling of 80226621 in words is "eighty million, two hundred twenty-six thousand, six hundred twenty-one".