11722152 has 32 divisors (see below), whose sum is σ = 31560480. Its totient is φ = 3606720.

The previous prime is 11722133. The next prime is 11722189. The reversal of 11722152 is 25122711.

It is a super-2 number, since 2×11722152² = 274817695022208, which contains 22 as substring.

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, 18474 + ... + 19097.

It is an arithmetic number, because the mean of its divisors is an integer number (986265).

Almost surely, 2^11722152 is an apocalyptic number.

11722152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11722152 is an abundant number, since it is smaller than the sum of its proper divisors (19838328).

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

11722152 is a wasteful number, since it uses less digits than its factorization.

11722152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37593 (or 37589 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 11722152 is about 3423.7628422541. The cubic root of 11722152 is about 227.1620518681.

Adding to 11722152 its reverse (25122711), we get a palindrome (36844863).

The spelling of 11722152 in words is "eleven million, seven hundred twenty-two thousand, one hundred fifty-two".