22022344 has 32 divisors (see below), whose sum is σ = 44138520. Its totient is φ = 10264576.

The previous prime is 22022333. The next prime is 22022353. The reversal of 22022344 is 44322022.

It can be written as a sum of positive squares in 4 ways, for example, as 18818244 + 3204100 = 4338^2 + 1790^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14652 + ... + 16084.

Almost surely, 2^22022344 is an apocalyptic number.

It is an amenable number.

22022344 is an abundant number, since it is smaller than the sum of its proper divisors (22116176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22022344 is a wasteful number, since it uses less digits than its factorization.

22022344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22022344 is about 4692.7970337529. The cubic root of 22022344 is about 280.2987627365.

Adding to 22022344 its reverse (44322022), we get a palindrome (66344366).

It can be divided in two parts, 22022 and 344, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 22022344 in words is "twenty-two million, twenty-two thousand, three hundred forty-four".