2222432240 has 60 divisors (see below), whose sum is σ = 6010782696. Its totient is φ = 761975424.

The previous prime is 2222432239. The next prime is 2222432257. The reversal of 2222432240 is 422342222.

It is a super-2 number, since 2×2222432240² = 9878410122782835200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279554 + ... + 287393.

Almost surely, 2^2222432240 is an apocalyptic number.

2222432240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222432240 is an abundant number, since it is smaller than the sum of its proper divisors (3788350456).

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

2222432240 is a wasteful number, since it uses less digits than its factorization.

2222432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566974 (or 566961 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2222432240 is about 47142.6796013973. The cubic root of 2222432240 is about 1304.9969886847.

Adding to 2222432240 its reverse (422342222), we get a palindrome (2644774462).

The spelling of 2222432240 in words is "two billion, two hundred twenty-two million, four hundred thirty-two thousand, two hundred forty".