22421310352 has 40 divisors (see below), whose sum is σ = 49665606912. Its totient is φ = 9605568000.

The previous prime is 22421310287. The next prime is 22421310391. The reversal of 22421310352 is 25301312422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277977 + ... + 349447.

Almost surely, 2^22421310352 is an apocalyptic number.

It is an amenable number.

22421310352 is an abundant number, since it is smaller than the sum of its proper divisors (27244296560).

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

22421310352 is a wasteful number, since it uses less digits than its factorization.

22421310352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74287 (or 74281 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 22421310352 its reverse (25301312422), we get a palindrome (47722622774).

The spelling of 22421310352 in words is "twenty-two billion, four hundred twenty-one million, three hundred ten thousand, three hundred fifty-two".