22125505 has 8 divisors (see below), whose sum is σ = 26582400. Its totient is φ = 17679216.

The previous prime is 22125503. The next prime is 22125511. The reversal of 22125505 is 50552122.

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 22125505 - 2¹ = 22125503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22125503) 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, 3066 + ... + 7324.

It is an arithmetic number, because the mean of its divisors is an integer number (3322800).

Almost surely, 2^22125505 is an apocalyptic number.

It is an amenable number.

22125505 is a deficient number, since it is larger than the sum of its proper divisors (4456895).

22125505 is a wasteful number, since it uses less digits than its factorization.

22125505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 22125505 is about 4703.7756111447. The cubic root of 22125505 is about 280.7357562856.

Adding to 22125505 its reverse (50552122), we get a palindrome (72677627).

The spelling of 22125505 in words is "twenty-two million, one hundred twenty-five thousand, five hundred five".