22550851 has 8 divisors (see below), whose sum is σ = 23066064. Its totient is φ = 22041600.

The previous prime is 22550849. The next prime is 22550863. The reversal of 22550851 is 15805522.

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 22550851 - 2¹ = 22550849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22550821) 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, 6651 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (2883258).

Almost surely, 2^22550851 is an apocalyptic number.

22550851 is a deficient number, since it is larger than the sum of its proper divisors (515213).

22550851 is an equidigital number, since it uses as much as digits as its factorization.

22550851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 22550851 is about 4748.7736311599. The cubic root of 22550851 is about 282.5233269693.

It can be divided in two parts, 225 and 50851, that added together give a square (51076 = 226²).

The spelling of 22550851 in words is "twenty-two million, five hundred fifty thousand, eight hundred fifty-one".