2231632 has 20 divisors (see below), whose sum is σ = 4656820. Its totient is φ = 1029888.

The previous prime is 2231627. The next prime is 2231653. The reversal of 2231632 is 2361322.

It can be written as a sum of positive squares in 2 ways, for example, as 968256 + 1263376 = 984^2 + 1124^2 .

It is a super-3 number, since 3×2231632³ = 33341796423159803904, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5157 + ... + 5572.

It is an arithmetic number, because the mean of its divisors is an integer number (232841).

2^2231632 is an apocalyptic number.

It is an amenable number.

2231632 is an abundant number, since it is smaller than the sum of its proper divisors (2425188).

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

2231632 is a wasteful number, since it uses less digits than its factorization.

2231632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10750 (or 10744 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 2231632 is about 1493.8647863846. The cubic root of 2231632 is about 130.6795188432.

Adding to 2231632 its reverse (2361322), we get a palindrome (4592954).

The spelling of 2231632 in words is "two million, two hundred thirty-one thousand, six hundred thirty-two".