28226914 has 8 divisors (see below), whose sum is σ = 42397740. Its totient is φ = 14094336.

The previous prime is 28226909. The next prime is 28226917. The reversal of 28226914 is 41962282.

It can be written as a sum of positive squares in 2 ways, for example, as 24552025 + 3674889 = 4955^2 + 1917^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 28226914.

It is not an unprimeable number, because it can be changed into a prime (28226917) 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, 7639 + ... + 10714.

Almost surely, 2^28226914 is an apocalyptic number.

28226914 is a deficient number, since it is larger than the sum of its proper divisors (14170826).

28226914 is a wasteful number, since it uses less digits than its factorization.

28226914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19124.

The product of its digits is 13824, while the sum is 34.

The square root of 28226914 is about 5312.9007142991. The cubic root of 28226914 is about 304.4769823421.

The spelling of 28226914 in words is "twenty-eight million, two hundred twenty-six thousand, nine hundred fourteen".