2147232 has 24 divisors (see below), whose sum is σ = 5636736. Its totient is φ = 715712.

The previous prime is 2147231. The next prime is 2147237. The reversal of 2147232 is 2327412.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2147232² = 9221210523648, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2147199 and 2147208.

It is not an unprimeable number, because it can be changed into a prime (2147231) by changing a digit.

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, 11088 + ... + 11279.

It is an arithmetic number, because the mean of its divisors is an integer number (234864).

2^2147232 is an apocalyptic number.

It is an amenable number.

2147232 is an abundant number, since it is smaller than the sum of its proper divisors (3489504).

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

2147232 is a wasteful number, since it uses less digits than its factorization.

2147232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22380 (or 22372 counting only the distinct ones).

The product of its digits is 672, while the sum is 21.

The square root of 2147232 is about 1465.3436457023. The cubic root of 2147232 is about 129.0108758332.

The spelling of 2147232 in words is "two million, one hundred forty-seven thousand, two hundred thirty-two".