22155534200 has 48 divisors (see below), whose sum is σ = 52163700000. Its totient is φ = 8750027520.

The previous prime is 22155534179. The next prime is 22155534221. The reversal of 22155534200 is 243555122.

It is an interprime number because it is at equal distance from previous prime (22155534179) and next prime (22155534221).

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 11 ways as a sum of consecutive naturals, for example, 685325 + ... + 716924.

It is an arithmetic number, because the mean of its divisors is an integer number (1086743750).

Almost surely, 2^22155534200 is an apocalyptic number.

22155534200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22155534200 is an abundant number, since it is smaller than the sum of its proper divisors (30008165800).

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

22155534200 is a wasteful number, since it uses less digits than its factorization.

22155534200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402344 (or 1402335 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 22155534200 in words is "twenty-two billion, one hundred fifty-five million, five hundred thirty-four thousand, two hundred".