11525222 has 4 divisors (see below), whose sum is σ = 17287836. Its totient is φ = 5762610.

The previous prime is 11525207. The next prime is 11525257. The reversal of 11525222 is 22252511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 11525194 and 11525203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2881304 + ... + 2881307.

It is an arithmetic number, because the mean of its divisors is an integer number (4321959).

Almost surely, 2^11525222 is an apocalyptic number.

11525222 is a deficient number, since it is larger than the sum of its proper divisors (5762614).

11525222 is an equidigital number, since it uses as much as digits as its factorization.

11525222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762613.

The product of its digits is 400, while the sum is 20.

The square root of 11525222 is about 3394.8817357899. The cubic root of 11525222 is about 225.8827674024.

Adding to 11525222 its reverse (22252511), we get a palindrome (33777733).

The spelling of 11525222 in words is "eleven million, five hundred twenty-five thousand, two hundred twenty-two".