22155345300 has 72 divisors (see below), whose sum is σ = 69930336672. Its totient is φ = 5370992000.

The previous prime is 22155345287. The next prime is 22155345301. The reversal of 22155345300 is 354355122.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155345301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3353571 + ... + 3360170.

It is an arithmetic number, because the mean of its divisors is an integer number (971254676).

Almost surely, 2^22155345300 is an apocalyptic number.

22155345300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22155345300 is an abundant number, since it is smaller than the sum of its proper divisors (47774991372).

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

22155345300 is a wasteful number, since it uses less digits than its factorization.

22155345300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6713769 (or 6713762 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 22155345300 in words is "twenty-two billion, one hundred fifty-five million, three hundred forty-five thousand, three hundred".