22044323402 has 32 divisors (see below), whose sum is σ = 35568907920. Its totient is φ = 10209853440.

The previous prime is 22044323401. The next prime is 22044323423. The reversal of 22044323402 is 20432344022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8848976761 + 13195346641 = 94069^2 + 114871^2 .

It is not an unprimeable number, because it can be changed into a prime (22044323401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578474 + ... + 615402.

Almost surely, 2^22044323402 is an apocalyptic number.

22044323402 is a deficient number, since it is larger than the sum of its proper divisors (13524584518).

22044323402 is a wasteful number, since it uses less digits than its factorization.

22044323402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37226.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 22044323402 its reverse (20432344022), we get a palindrome (42476667424).

The spelling of 22044323402 in words is "twenty-two billion, forty-four million, three hundred twenty-three thousand, four hundred two".