22205927740 has 12 divisors (see below), whose sum is σ = 46632448296. Its totient is φ = 8882371088.

The previous prime is 22205927687. The next prime is 22205927759. The reversal of 22205927740 is 4772950222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22205927693 and 22205927702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555148174 + ... + 555148213.

It is an arithmetic number, because the mean of its divisors is an integer number (3886037358).

Almost surely, 2^22205927740 is an apocalyptic number.

22205927740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22205927740 is an abundant number, since it is smaller than the sum of its proper divisors (24426520556).

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

22205927740 is a wasteful number, since it uses less digits than its factorization.

22205927740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110296396 (or 1110296394 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 22205927740 in words is "twenty-two billion, two hundred five million, nine hundred twenty-seven thousand, seven hundred forty".