28232264 has 16 divisors (see below), whose sum is σ = 53804220. Its totient is φ = 13884480.

The previous prime is 28232263. The next prime is 28232273. The reversal of 28232264 is 46223282.

It can be written as a sum of positive squares in 2 ways, for example, as 21252100 + 6980164 = 4610^2 + 2642^2 .

It is not an unprimeable number, because it can be changed into a prime (28232263) 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, 28439 + ... + 29414.

Almost surely, 2^28232264 is an apocalyptic number.

It is an amenable number.

28232264 is a deficient number, since it is larger than the sum of its proper divisors (25571956).

28232264 is a wasteful number, since it uses less digits than its factorization.

28232264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57920 (or 57916 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 28232264 is about 5313.4041818781. The cubic root of 28232264 is about 304.4962175179.

The spelling of 28232264 in words is "twenty-eight million, two hundred thirty-two thousand, two hundred sixty-four".