28622283 has 8 divisors (see below), whose sum is σ = 38316096. Its totient is φ = 19005000.

The previous prime is 28622267. The next prime is 28622287. The reversal of 28622283 is 38222682.

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

It is not a de Polignac number, because 28622283 - 2⁴ = 28622267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28622287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18253 + ... + 19758.

It is an arithmetic number, because the mean of its divisors is an integer number (4789512).

Almost surely, 2^28622283 is an apocalyptic number.

28622283 is a deficient number, since it is larger than the sum of its proper divisors (9693813).

28622283 is a wasteful number, since it uses less digits than its factorization.

28622283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38265.

The product of its digits is 18432, while the sum is 33.

The square root of 28622283 is about 5349.9797195877. The cubic root of 28622283 is about 305.8919798999.

The spelling of 28622283 in words is "twenty-eight million, six hundred twenty-two thousand, two hundred eighty-three".