22202344 has 8 divisors (see below), whose sum is σ = 41629410. Its totient is φ = 11101168.

The previous prime is 22202321. The next prime is 22202347. The reversal of 22202344 is 44320222.

It can be written as a sum of positive squares in only one way, i.e., 15760900 + 6441444 = 3970^2 + 2538^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22202347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387639 + ... + 1387654.

Almost surely, 2^22202344 is an apocalyptic number.

It is an amenable number.

22202344 is a deficient number, since it is larger than the sum of its proper divisors (19427066).

22202344 is a wasteful number, since it uses less digits than its factorization.

22202344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775299 (or 2775295 counting only the distinct ones).

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

The square root of 22202344 is about 4711.9363323373. The cubic root of 22202344 is about 281.0603670493.

Adding to 22202344 its reverse (44320222), we get a palindrome (66522566).

The spelling of 22202344 in words is "twenty-two million, two hundred two thousand, three hundred forty-four".