2223431240 has 16 divisors (see below), whose sum is σ = 5002720380. Its totient is φ = 889372480.

The previous prime is 2223431237. The next prime is 2223431251. The reversal of 2223431240 is 421343222.

It can be written as a sum of positive squares in 2 ways, for example, as 1955585284 + 267845956 = 44222^2 + 16366^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27792851 + ... + 27792930.

Almost surely, 2^2223431240 is an apocalyptic number.

2223431240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223431240 is an abundant number, since it is smaller than the sum of its proper divisors (2779289140).

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

2223431240 is a wasteful number, since it uses less digits than its factorization.

2223431240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55585792 (or 55585788 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2223431240 is about 47153.2739054246. The cubic root of 2223431240 is about 1305.1924947130.

Adding to 2223431240 its reverse (421343222), we get a palindrome (2644774462).

The spelling of 2223431240 in words is "two billion, two hundred twenty-three million, four hundred thirty-one thousand, two hundred forty".