22145443330 has 16 divisors (see below), whose sum is σ = 40788817344. Its totient is φ = 8652173040.

The previous prime is 22145443319. The next prime is 22145443337. The reversal of 22145443330 is 3334454122.

It is a happy number.

It is a super-4 number, since 4×22145443330⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22145443292 and 22145443301.

It is not an unprimeable number, because it can be changed into a prime (22145443337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25750086 + ... + 25750945.

It is an arithmetic number, because the mean of its divisors is an integer number (2549301084).

Almost surely, 2^22145443330 is an apocalyptic number.

22145443330 is a deficient number, since it is larger than the sum of its proper divisors (18643374014).

22145443330 is a wasteful number, since it uses less digits than its factorization.

22145443330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51501081.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 22145443330 its reverse (3334454122), we get a palindrome (25479897452).

The spelling of 22145443330 in words is "twenty-two billion, one hundred forty-five million, four hundred forty-three thousand, three hundred thirty".