11571226 has 8 divisors (see below), whose sum is σ = 17525664. Its totient is φ = 5729340.

The previous prime is 11571223. The next prime is 11571229. The reversal of 11571226 is 62217511.

It is an interprime number because it is at equal distance from previous prime (11571223) and next prime (11571229).

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

It is a super-2 number, since 2×11571226² = 267786542286152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11571226.

It is not an unprimeable number, because it can be changed into a prime (11571221) 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, 27880 + ... + 28291.

It is an arithmetic number, because the mean of its divisors is an integer number (2190708).

Almost surely, 2^11571226 is an apocalyptic number.

11571226 is a deficient number, since it is larger than the sum of its proper divisors (5954438).

11571226 is a wasteful number, since it uses less digits than its factorization.

11571226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56276.

The product of its digits is 840, while the sum is 25.

The square root of 11571226 is about 3401.6504817515. The cubic root of 11571226 is about 226.1829124576.

Adding to 11571226 its reverse (62217511), we get a palindrome (73788737).

The spelling of 11571226 in words is "eleven million, five hundred seventy-one thousand, two hundred twenty-six".