11528222 has 4 divisors (see below), whose sum is σ = 17292336. Its totient is φ = 5764110.

The previous prime is 11528213. The next prime is 11528263. The reversal of 11528222 is 22282511.

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

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, 2882054 + ... + 2882057.

It is an arithmetic number, because the mean of its divisors is an integer number (4323084).

Almost surely, 2^11528222 is an apocalyptic number.

11528222 is a deficient number, since it is larger than the sum of its proper divisors (5764114).

11528222 is an equidigital number, since it uses as much as digits as its factorization.

11528222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5764113.

The product of its digits is 640, while the sum is 23.

The square root of 11528222 is about 3395.3235486475. The cubic root of 11528222 is about 225.9023646970.

The spelling of 11528222 in words is "eleven million, five hundred twenty-eight thousand, two hundred twenty-two".