22085600551 has 32 divisors (see below), whose sum is σ = 27389573120. Its totient is φ = 17384025600.

The previous prime is 22085600549. The next prime is 22085600561. The reversal of 22085600551 is 15500658022.

It is a cyclic number.

It is not a de Polignac number, because 22085600551 - 2¹ = 22085600549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22085600561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1325311 + ... + 1341871.

It is an arithmetic number, because the mean of its divisors is an integer number (855924160).

Almost surely, 2^22085600551 is an apocalyptic number.

22085600551 is a deficient number, since it is larger than the sum of its proper divisors (5303972569).

22085600551 is a wasteful number, since it uses less digits than its factorization.

22085600551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16895.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 22085600551 in words is "twenty-two billion, eighty-five million, six hundred thousand, five hundred fifty-one".