22022842 has 8 divisors (see below), whose sum is σ = 33355296. Its totient is φ = 10904412.

The previous prime is 22022839. The next prime is 22022879. The reversal of 22022842 is 24822022.

It is a happy number.

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

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, 53248 + ... + 53659.

It is an arithmetic number, because the mean of its divisors is an integer number (4169412).

Almost surely, 2^22022842 is an apocalyptic number.

22022842 is a deficient number, since it is larger than the sum of its proper divisors (11332454).

22022842 is a wasteful number, since it uses less digits than its factorization.

22022842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107012.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 22022842 is about 4692.8500934933. The cubic root of 22022842 is about 280.3008755563.

Adding to 22022842 its reverse (24822022), we get a palindrome (46844864).

The spelling of 22022842 in words is "twenty-two million, twenty-two thousand, eight hundred forty-two".