22045263 has 16 divisors (see below), whose sum is σ = 31046400. Its totient is φ = 13875840.

The previous prime is 22045241. The next prime is 22045271. The reversal of 22045263 is 36254022.

It is not a de Polignac number, because 22045263 - 2¹⁸ = 21783119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24583 + ... + 25463.

It is an arithmetic number, because the mean of its divisors is an integer number (1940400).

Almost surely, 2^22045263 is an apocalyptic number.

22045263 is a deficient number, since it is larger than the sum of its proper divisors (9001137).

22045263 is a wasteful number, since it uses less digits than its factorization.

22045263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22045263 is about 4695.2383326089. The cubic root of 22045263 is about 280.3959661352.

Adding to 22045263 its reverse (36254022), we get a palindrome (58299285).

The spelling of 22045263 in words is "twenty-two million, forty-five thousand, two hundred sixty-three".