22000455156 has 96 divisors (see below), whose sum is σ = 53354549248. Its totient is φ = 7051121280.

The previous prime is 22000455143. The next prime is 22000455179. The reversal of 22000455156 is 65155400022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9618645 + ... + 9620931.

Almost surely, 2^22000455156 is an apocalyptic number.

It is an amenable number.

22000455156 is an abundant number, since it is smaller than the sum of its proper divisors (31354094092).

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

22000455156 is a wasteful number, since it uses less digits than its factorization.

22000455156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 22000455156 its reverse (65155400022), we get a palindrome (87155855178).

The spelling of 22000455156 in words is "twenty-two billion, four hundred fifty-five thousand, one hundred fifty-six".