22320400052 has 12 divisors (see below), whose sum is σ = 39069152640. Its totient is φ = 11157785016.

The previous prime is 22320400007. The next prime is 22320400073. The reversal of 22320400052 is 25000402322.

It is a super-3 number, since 3×22320400052³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22320399997 and 22320400033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582878 + ... + 619989.

It is an arithmetic number, because the mean of its divisors is an integer number (3255762720).

Almost surely, 2^22320400052 is an apocalyptic number.

It is an amenable number.

22320400052 is a deficient number, since it is larger than the sum of its proper divisors (16748752588).

22320400052 is a wasteful number, since it uses less digits than its factorization.

22320400052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207510 (or 1207508 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 22320400052 its reverse (25000402322), we get a palindrome (47320802374).

The spelling of 22320400052 in words is "twenty-two billion, three hundred twenty million, four hundred thousand, fifty-two".