22113652 has 24 divisors (see below), whose sum is σ = 42698880. Its totient is φ = 9936960.

The previous prime is 22113643. The next prime is 22113661. The reversal of 22113652 is 25631122.

It is an interprime number because it is at equal distance from previous prime (22113643) and next prime (22113661).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093 + ... + 6739.

It is an arithmetic number, because the mean of its divisors is an integer number (1779120).

Almost surely, 2^22113652 is an apocalyptic number.

22113652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22113652 is a deficient number, since it is larger than the sum of its proper divisors (20585228).

22113652 is a wasteful number, since it uses less digits than its factorization.

22113652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5751 (or 5749 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 22113652 is about 4702.5154970505. The cubic root of 22113652 is about 280.6856157305.

Adding to 22113652 its reverse (25631122), we get a palindrome (47744774).

The spelling of 22113652 in words is "twenty-two million, one hundred thirteen thousand, six hundred fifty-two".