22444042330 has 16 divisors (see below), whose sum is σ = 40487685480. Its totient is φ = 8957970432.

The previous prime is 22444042319. The next prime is 22444042331. The reversal of 22444042330 is 3324044422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22326037561 + 118004769 = 149419^2 + 10863^2 .

It is a super-2 number, since 2×22444042330² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22444042331) 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 7 ways as a sum of consecutive naturals, for example, 2451015 + ... + 2460154.

Almost surely, 2^22444042330 is an apocalyptic number.

22444042330 is a deficient number, since it is larger than the sum of its proper divisors (18043643150).

22444042330 is a wasteful number, since it uses less digits than its factorization.

22444042330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911633.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22444042330 its reverse (3324044422), we get a palindrome (25768086752).

The spelling of 22444042330 in words is "twenty-two billion, four hundred forty-four million, forty-two thousand, three hundred thirty".