22224022 has 4 divisors (see below), whose sum is σ = 33336036. Its totient is φ = 11112010.

The previous prime is 22223989. The next prime is 22224023. The reversal of 22224022 is 22042222.

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

It is a junction number, because it is equal to n+sod(n) for n = 22223987 and 22224005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556004 + ... + 5556007.

It is an arithmetic number, because the mean of its divisors is an integer number (8334009).

Almost surely, 2^22224022 is an apocalyptic number.

22224022 is a deficient number, since it is larger than the sum of its proper divisors (11112014).

22224022 is a wasteful number, since it uses less digits than its factorization.

22224022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112013.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 22224022 is about 4714.2360993060. The cubic root of 22224022 is about 281.1518115192.

Adding to 22224022 its reverse (22042222), we get a palindrome (44266244).

The spelling of 22224022 in words is "twenty-two million, two hundred twenty-four thousand, twenty-two".