28502822 has 4 divisors (see below), whose sum is σ = 42754236. Its totient is φ = 14251410.

The previous prime is 28502809. The next prime is 28502827. The reversal of 28502822 is 22820582.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28502827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7125704 + ... + 7125707.

It is an arithmetic number, because the mean of its divisors is an integer number (10688559).

Almost surely, 2^28502822 is an apocalyptic number.

28502822 is a deficient number, since it is larger than the sum of its proper divisors (14251414).

28502822 is a wasteful number, since it uses less digits than its factorization.

28502822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14251413.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 28502822 is about 5338.8034239893. The cubic root of 28502822 is about 305.4658187074.

The spelling of 28502822 in words is "twenty-eight million, five hundred two thousand, eight hundred twenty-two".