28126822 has 8 divisors (see below), whose sum is σ = 42242256. Its totient is φ = 14046072.

The previous prime is 28126793. The next prime is 28126843. The reversal of 28126822 is 22862182.

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

It is a super-2 number, since 2×28126822² = 1582236231639368, which contains 22 as substring.

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, 6538 + ... + 9949.

It is an arithmetic number, because the mean of its divisors is an integer number (5280282).

Almost surely, 2^28126822 is an apocalyptic number.

28126822 is a deficient number, since it is larger than the sum of its proper divisors (14115434).

28126822 is a wasteful number, since it uses less digits than its factorization.

28126822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17342.

The product of its digits is 6144, while the sum is 31.

The square root of 28126822 is about 5303.4726359245. The cubic root of 28126822 is about 304.1166666129.

The spelling of 28126822 in words is "twenty-eight million, one hundred twenty-six thousand, eight hundred twenty-two".