2232021240 has 48 divisors (see below), whose sum is σ = 7254070200. Its totient is φ = 595205568.

The previous prime is 2232021191. The next prime is 2232021241. The reversal of 2232021240 is 421202322.

2232021240 is a `hidden beast` number, since 223 + 202 + 1 + 240 = 666.

It is a super-3 number, since 3×2232021240³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232021241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3099670 + ... + 3100389.

Almost surely, 2^2232021240 is an apocalyptic number.

2232021240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2232021240 is an abundant number, since it is smaller than the sum of its proper divisors (5022048960).

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

2232021240 is a wasteful number, since it uses less digits than its factorization.

2232021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200076 (or 6200069 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2232021240 is about 47244.2720337609. The cubic root of 2232021240 is about 1306.8711608427.

Adding to 2232021240 its reverse (421202322), we get a palindrome (2653223562).

The spelling of 2232021240 in words is "two billion, two hundred thirty-two million, twenty-one thousand, two hundred forty".