22051354200 has 96 divisors (see below), whose sum is σ = 68390741760. Its totient is φ = 5877648000.

The previous prime is 22051354183. The next prime is 22051354201. The reversal of 22051354200 is 245315022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22051354201) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1523397 + ... + 1537803.

It is an arithmetic number, because the mean of its divisors is an integer number (712403560).

Almost surely, 2^22051354200 is an apocalyptic number.

22051354200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22051354200 is an abundant number, since it is smaller than the sum of its proper divisors (46339387560).

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

22051354200 is a wasteful number, since it uses less digits than its factorization.

22051354200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16977 (or 16968 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 22051354200 its reverse (245315022), we get a palindrome (22296669222).

The spelling of 22051354200 in words is "twenty-two billion, fifty-one million, three hundred fifty-four thousand, two hundred".