28268822 has 8 divisors (see below), whose sum is σ = 43203456. Its totient is φ = 13867672.

The previous prime is 28268819. The next prime is 28268833. The reversal of 28268822 is 22886282.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133238 + ... + 133449.

It is an arithmetic number, because the mean of its divisors is an integer number (5400432).

Almost surely, 2^28268822 is an apocalyptic number.

28268822 is a deficient number, since it is larger than the sum of its proper divisors (14934634).

28268822 is a wasteful number, since it uses less digits than its factorization.

28268822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266742.

The product of its digits is 49152, while the sum is 38.

The square root of 28268822 is about 5316.8432363575. The cubic root of 28268822 is about 304.6275916946.

The spelling of 28268822 in words is "twenty-eight million, two hundred sixty-eight thousand, eight hundred twenty-two".