22282851 has 4 divisors (see below), whose sum is σ = 29710472. Its totient is φ = 14855232.

The previous prime is 22282849. The next prime is 22282859. The reversal of 22282851 is 15828222.

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

It is not a de Polignac number, because 22282851 - 2¹ = 22282849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22282859) 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, 3713806 + ... + 3713811.

It is an arithmetic number, because the mean of its divisors is an integer number (7427618).

Almost surely, 2^22282851 is an apocalyptic number.

22282851 is a deficient number, since it is larger than the sum of its proper divisors (7427621).

22282851 is an equidigital number, since it uses as much as digits as its factorization.

22282851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427620.

The product of its digits is 5120, while the sum is 30.

The square root of 22282851 is about 4720.4714806892. The cubic root of 22282851 is about 281.3996710524.

The spelling of 22282851 in words is "twenty-two million, two hundred eighty-two thousand, eight hundred fifty-one".