2251622206200 has 96 divisors (see below), whose sum is σ = 6989875052400. Its totient is φ = 599585602560.

The previous prime is 2251622206199. The next prime is 2251622206213. The reversal of 2251622206200 is 26022261522.

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

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 23 ways as a sum of consecutive naturals, for example, 2221077 + ... + 3071876.

Almost surely, 2^{2251622206200} is an apocalyptic number.

2251622206200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251622206200 is an abundant number, since it is smaller than the sum of its proper divisors (4738252846200).

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

2251622206200 is a wasteful number, since it uses less digits than its factorization.

2251622206200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293681 (or 5293672 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 2251622206200 its reverse (26022261522), we get a palindrome (2277644467722).

The spelling of 2251622206200 in words is "two trillion, two hundred fifty-one billion, six hundred twenty-two million, two hundred six thousand, two hundred".