22444322 has 4 divisors (see below), whose sum is σ = 33666486. Its totient is φ = 11222160.

The previous prime is 22444319. The next prime is 22444327. The reversal of 22444322 is 22344422.

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

It can be written as a sum of positive squares in only one way, i.e., 15689521 + 6754801 = 3961^2 + 2599^2 .

It is not an unprimeable number, because it can be changed into a prime (22444327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611079 + ... + 5611082.

Almost surely, 2^22444322 is an apocalyptic number.

22444322 is a deficient number, since it is larger than the sum of its proper divisors (11222164).

22444322 is a wasteful number, since it uses less digits than its factorization.

22444322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222163.

The product of its digits is 3072, while the sum is 23.

The square root of 22444322 is about 4737.5438784248. The cubic root of 22444322 is about 282.0777496330.

Adding to 22444322 its reverse (22344422), we get a palindrome (44788744).

The spelling of 22444322 in words is "twenty-two million, four hundred forty-four thousand, three hundred twenty-two".