32232240 has 120 divisors (see below), whose sum is σ = 109680480. Its totient is φ = 8481792.

The previous prime is 32232203. The next prime is 32232247. The reversal of 32232240 is 4223223.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (32232247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63829 + ... + 64331.

It is an arithmetic number, because the mean of its divisors is an integer number (914004).

Almost surely, 2^32232240 is an apocalyptic number.

32232240 is a gapful number since it is divisible by the number (30) 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 32232240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54840240).

32232240 is an abundant number, since it is smaller than the sum of its proper divisors (77448240).

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

32232240 is a wasteful number, since it uses less digits than its factorization.

32232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 32232240 is about 5677.3444496525. The cubic root of 32232240 is about 318.2463973805.

Adding to 32232240 its reverse (4223223), we get a palindrome (36455463).

The spelling of 32232240 in words is "thirty-two million, two hundred thirty-two thousand, two hundred forty".