22842394 has 8 divisors (see below), whose sum is σ = 35189748. Its totient is φ = 11112480.

The previous prime is 22842383. The next prime is 22842397. The reversal of 22842394 is 49324822.

It can be written as a sum of positive squares in 2 ways, for example, as 22439169 + 403225 = 4737^2 + 635^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22842397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154267 + ... + 154414.

Almost surely, 2^22842394 is an apocalyptic number.

22842394 is a deficient number, since it is larger than the sum of its proper divisors (12347354).

22842394 is a wasteful number, since it uses less digits than its factorization.

22842394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308720.

The product of its digits is 27648, while the sum is 34.

The square root of 22842394 is about 4779.3717160313. The cubic root of 22842394 is about 283.7356281413.

The spelling of 22842394 in words is "twenty-two million, eight hundred forty-two thousand, three hundred ninety-four".