22115652 has 24 divisors (see below), whose sum is σ = 55573056. Its totient is φ = 6804768.

The previous prime is 22115651. The next prime is 22115663. The reversal of 22115652 is 25651122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22115651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70728 + ... + 71039.

It is an arithmetic number, because the mean of its divisors is an integer number (2315544).

Almost surely, 2^22115652 is an apocalyptic number.

It is an amenable number.

22115652 is an abundant number, since it is smaller than the sum of its proper divisors (33457404).

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

22115652 is a wasteful number, since it uses less digits than its factorization.

22115652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141787 (or 141785 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 22115652 is about 4702.7281443860. The cubic root of 22115652 is about 280.6940773859.

Adding to 22115652 its reverse (25651122), we get a palindrome (47766774).

The spelling of 22115652 in words is "twenty-two million, one hundred fifteen thousand, six hundred fifty-two".