22355412620 has 12 divisors (see below), whose sum is σ = 46946366544. Its totient is φ = 8942165040.

The previous prime is 22355412589. The next prime is 22355412707. The reversal of 22355412620 is 2621455322.

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, 558885296 + ... + 558885335.

It is an arithmetic number, because the mean of its divisors is an integer number (3912197212).

Almost surely, 2^22355412620 is an apocalyptic number.

22355412620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22355412620 is an abundant number, since it is smaller than the sum of its proper divisors (24590953924).

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

22355412620 is a wasteful number, since it uses less digits than its factorization.

22355412620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117770640 (or 1117770638 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 22355412620 its reverse (2621455322), we get a palindrome (24976867942).

The spelling of 22355412620 in words is "twenty-two billion, three hundred fifty-five million, four hundred twelve thousand, six hundred twenty".