28469226 has 16 divisors (see below), whose sum is σ = 57269664. Its totient is φ = 9434544.

The previous prime is 28469219. The next prime is 28469227. The reversal of 28469226 is 62296482.

It is not an unprimeable number, because it can be changed into a prime (28469227) 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, 12676 + ... + 14751.

It is an arithmetic number, because the mean of its divisors is an integer number (3579354).

Almost surely, 2^28469226 is an apocalyptic number.

28469226 is an abundant number, since it is smaller than the sum of its proper divisors (28800438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28469226 is a wasteful number, since it uses less digits than its factorization.

28469226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27605.

The product of its digits is 82944, while the sum is 39.

The square root of 28469226 is about 5335.6560983632. The cubic root of 28469226 is about 305.3457549892.

The spelling of 28469226 in words is "twenty-eight million, four hundred sixty-nine thousand, two hundred twenty-six".