11572522 has 8 divisors (see below), whose sum is σ = 18694116. Its totient is φ = 5341152.

The previous prime is 11572507. The next prime is 11572523. The reversal of 11572522 is 22527511.

It can be written as a sum of positive squares in 2 ways, for example, as 11553201 + 19321 = 3399^2 + 139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11572523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222523 + ... + 222574.

Almost surely, 2^11572522 is an apocalyptic number.

11572522 is a deficient number, since it is larger than the sum of its proper divisors (7121594).

11572522 is a wasteful number, since it uses less digits than its factorization.

11572522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445112.

The product of its digits is 1400, while the sum is 25.

The square root of 11572522 is about 3401.8409721796. The cubic root of 11572522 is about 226.1913564523.

The spelling of 11572522 in words is "eleven million, five hundred seventy-two thousand, five hundred twenty-two".