22443142330 has 32 divisors (see below), whose sum is σ = 46625880960. Its totient is φ = 7618603200.

The previous prime is 22443142289. The next prime is 22443142363. The reversal of 22443142330 is 3324134422.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580140 + ... + 1594279.

It is an arithmetic number, because the mean of its divisors is an integer number (1457058780).

Almost surely, 2^22443142330 is an apocalyptic number.

22443142330 is an abundant number, since it is smaller than the sum of its proper divisors (24182738630).

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

22443142330 is a wasteful number, since it uses less digits than its factorization.

22443142330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174534.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22443142330 its reverse (3324134422), we get a palindrome (25767276752).

The spelling of 22443142330 in words is "twenty-two billion, four hundred forty-three million, one hundred forty-two thousand, three hundred thirty".