11531022 has 16 divisors (see below), whose sum is σ = 23210832. Its totient is φ = 3818880.

The previous prime is 11531021. The next prime is 11531029. The reversal of 11531022 is 22013511.

It is a junction number, because it is equal to n+sod(n) for n = 11530992 and 11531010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11531021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5179 + ... + 7062.

It is an arithmetic number, because the mean of its divisors is an integer number (1450677).

Almost surely, 2^11531022 is an apocalyptic number.

11531022 is an abundant number, since it is smaller than the sum of its proper divisors (11679810).

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

11531022 is a wasteful number, since it uses less digits than its factorization.

11531022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12403.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 11531022 is about 3395.7358554517. The cubic root of 11531022 is about 225.9206524381.

Adding to 11531022 its reverse (22013511), we get a palindrome (33544533).

The spelling of 11531022 in words is "eleven million, five hundred thirty-one thousand, twenty-two".