22225263 has 8 divisors (see below), whose sum is σ = 29774976. Its totient is φ = 14746200.

The previous prime is 22225211. The next prime is 22225277. The reversal of 22225263 is 36252222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22225263 - 2¹⁸ = 21963119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16923 + ... + 18188.

It is an arithmetic number, because the mean of its divisors is an integer number (3721872).

Almost surely, 2^22225263 is an apocalyptic number.

22225263 is a deficient number, since it is larger than the sum of its proper divisors (7549713).

22225263 is a wasteful number, since it uses less digits than its factorization.

22225263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35325.

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

The square root of 22225263 is about 4714.3677200660. The cubic root of 22225263 is about 281.1570446389.

Adding to 22225263 its reverse (36252222), we get a palindrome (58477485).

The spelling of 22225263 in words is "twenty-two million, two hundred twenty-five thousand, two hundred sixty-three".