11540022 has 16 divisors (see below), whose sum is σ = 24855600. Its totient is φ = 3550752.

The previous prime is 11539981. The next prime is 11540033. The reversal of 11540022 is 22004511.

It is a junction number, because it is equal to n+sod(n) for n = 11539983 and 11540010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73897 + ... + 74052.

It is an arithmetic number, because the mean of its divisors is an integer number (1553475).

Almost surely, 2^11540022 is an apocalyptic number.

11540022 is an abundant number, since it is smaller than the sum of its proper divisors (13315578).

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

11540022 is a wasteful number, since it uses less digits than its factorization.

11540022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147967.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 11540022 is about 3397.0607883875. The cubic root of 11540022 is about 225.9794144197.

Adding to 11540022 its reverse (22004511), we get a palindrome (33544533).

The spelling of 11540022 in words is "eleven million, five hundred forty thousand, twenty-two".