2231152 has 40 divisors (see below), whose sum is σ = 5392512. Its totient is φ = 868800.

The previous prime is 2231149. The next prime is 2231171. The reversal of 2231152 is 2511322.

2231152 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2231152³ = 33320286666763751424, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 327 + ... + 2137.

2^2231152 is an apocalyptic number.

2231152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2696256).

2231152 is an abundant number, since it is smaller than the sum of its proper divisors (3161360).

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

2231152 is a wasteful number, since it uses less digits than its factorization.

2231152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837 (or 1831 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 2231152 is about 1493.7041206343. The cubic root of 2231152 is about 130.6701489192.

Adding to 2231152 its reverse (2511322), we get a palindrome (4742474).

The spelling of 2231152 in words is "two million, two hundred thirty-one thousand, one hundred fifty-two".