22025505 has 16 divisors (see below), whose sum is σ = 35345664. Its totient is φ = 11712000.

The previous prime is 22025473. The next prime is 22025527. The reversal of 22025505 is 50552022.

It is not a de Polignac number, because 22025505 - 2⁵ = 22025473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3505 + ... + 7505.

It is an arithmetic number, because the mean of its divisors is an integer number (2209104).

Almost surely, 2^22025505 is an apocalyptic number.

It is an amenable number.

22025505 is a deficient number, since it is larger than the sum of its proper divisors (13320159).

22025505 is a wasteful number, since it uses less digits than its factorization.

22025505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 22025505 is about 4693.1338144144. The cubic root of 22025505 is about 280.3121730862.

Adding to 22025505 its reverse (50552022), we get a palindrome (72577527).

The spelling of 22025505 in words is "twenty-two million, twenty-five thousand, five hundred five".