28413226 has 8 divisors (see below), whose sum is σ = 43256160. Its totient is φ = 13994508.

The previous prime is 28413223. The next prime is 28413233. The reversal of 28413226 is 62231482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28413226² = 1614622823454152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28413194 and 28413203.

It is not an unprimeable number, because it can be changed into a prime (28413221) 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, 105886 + ... + 106153.

It is an arithmetic number, because the mean of its divisors is an integer number (5407020).

Almost surely, 2^28413226 is an apocalyptic number.

28413226 is a deficient number, since it is larger than the sum of its proper divisors (14842934).

28413226 is a wasteful number, since it uses less digits than its factorization.

28413226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212108.

The product of its digits is 4608, while the sum is 28.

The square root of 28413226 is about 5330.4058006872. The cubic root of 28413226 is about 305.1454148484.

The spelling of 28413226 in words is "twenty-eight million, four hundred thirteen thousand, two hundred twenty-six".