22221551000051 has 8 divisors (see below), whose sum is σ = 23930962454784. Its totient is φ = 20512148313600.

The previous prime is 22221551000039. The next prime is 22221551000083. The reversal of 22221551000051 is 15000015512222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22221551000051 - 2¹⁰ = 22221550999027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221551009051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3647726 + ... + 7599276.

It is an arithmetic number, because the mean of its divisors is an integer number (2991370306848).

Almost surely, 2^{22221551000051} is an apocalyptic number.

22221551000051 is a deficient number, since it is larger than the sum of its proper divisors (1709411454733).

22221551000051 is a wasteful number, since it uses less digits than its factorization.

22221551000051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384141.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 22221551000051 its reverse (15000015512222), we get a palindrome (37221566512273).

The spelling of 22221551000051 in words is "twenty-two trillion, two hundred twenty-one billion, five hundred fifty-one million, fifty-one", and thus it is an aban number.