22028842 has 8 divisors (see below), whose sum is σ = 36047232. Its totient is φ = 10013100.

The previous prime is 22028837. The next prime is 22028843. The reversal of 22028842 is 24882022.

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 22028842.

It is not an unprimeable number, because it can be changed into a prime (22028843) 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, 500634 + ... + 500677.

It is an arithmetic number, because the mean of its divisors is an integer number (4505904).

Almost surely, 2^22028842 is an apocalyptic number.

22028842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22028842 is a deficient number, since it is larger than the sum of its proper divisors (14018390).

22028842 is a wasteful number, since it uses less digits than its factorization.

22028842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001324.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 22028842 is about 4693.4893203245. The cubic root of 22028842 is about 280.3263287130.

The spelling of 22028842 in words is "twenty-two million, twenty-eight thousand, eight hundred forty-two".