22263522 has 16 divisors (see below), whose sum is σ = 44588352. Its totient is φ = 7410960.

The previous prime is 22263509. The next prime is 22263539. The reversal of 22263522 is 22536222.

It is a junction number, because it is equal to n+sod(n) for n = 22263492 and 22263501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3147 + ... + 7377.

It is an arithmetic number, because the mean of its divisors is an integer number (2786772).

Almost surely, 2^22263522 is an apocalyptic number.

22263522 is an abundant number, since it is smaller than the sum of its proper divisors (22324830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22263522 is a wasteful number, since it uses less digits than its factorization.

22263522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113.

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

The square root of 22263522 is about 4718.4236774584. The cubic root of 22263522 is about 281.3182818903.

Adding to 22263522 its reverse (22536222), we get a palindrome (44799744).

The spelling of 22263522 in words is "twenty-two million, two hundred sixty-three thousand, five hundred twenty-two".