22120330552 has 8 divisors (see below), whose sum is σ = 41475619800. Its totient is φ = 11060165272.

The previous prime is 22120330543. The next prime is 22120330633. The reversal of 22120330552 is 25503302122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382520652 + ... + 1382520667.

It is an arithmetic number, because the mean of its divisors is an integer number (5184452475).

Almost surely, 2^22120330552 is an apocalyptic number.

It is an amenable number.

22120330552 is a deficient number, since it is larger than the sum of its proper divisors (19355289248).

22120330552 is a wasteful number, since it uses less digits than its factorization.

22120330552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765041325 (or 2765041321 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 22120330552 its reverse (25503302122), we get a palindrome (47623632674).

The spelling of 22120330552 in words is "twenty-two billion, one hundred twenty million, three hundred thirty thousand, five hundred fifty-two".