22228382 has 8 divisors (see below), whose sum is σ = 36373752. Its totient is φ = 10103800.

The previous prime is 22228361. The next prime is 22228391. The reversal of 22228382 is 28382222.

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

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, 505169 + ... + 505212.

It is an arithmetic number, because the mean of its divisors is an integer number (4546719).

Almost surely, 2^22228382 is an apocalyptic number.

22228382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22228382 is a deficient number, since it is larger than the sum of its proper divisors (14145370).

22228382 is a wasteful number, since it uses less digits than its factorization.

22228382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010394.

The product of its digits is 6144, while the sum is 29.

The square root of 22228382 is about 4714.6985057371. The cubic root of 22228382 is about 281.1701961564.

The spelling of 22228382 in words is "twenty-two million, two hundred twenty-eight thousand, three hundred eighty-two".