22023242 has 16 divisors (see below), whose sum is σ = 34927200. Its totient is φ = 10386000.

The previous prime is 22023241. The next prime is 22023247. The reversal of 22023242 is 24232022.

It is a self number, because there is not a number n which added to its sum of digits gives 22023242.

It is not an unprimeable number, because it can be changed into a prime (22023241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8384 + ... + 10692.

It is an arithmetic number, because the mean of its divisors is an integer number (2182950).

Almost surely, 2^22023242 is an apocalyptic number.

22023242 is a deficient number, since it is larger than the sum of its proper divisors (12903958).

22023242 is a wasteful number, since it uses less digits than its factorization.

22023242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22023242 is about 4692.8927113242. The cubic root of 22023242 is about 280.3025725772.

Adding to 22023242 its reverse (24232022), we get a palindrome (46255264).

The spelling of 22023242 in words is "twenty-two million, twenty-three thousand, two hundred forty-two".