2223233440 has 24 divisors (see below), whose sum is σ = 5252389380. Its totient is φ = 889293312.

The previous prime is 2223233431. The next prime is 2223233443. The reversal of 2223233440 is 443323222.

It can be written as a sum of positive squares in 2 ways, for example, as 2135548944 + 87684496 = 46212^2 + 9364^2 .

It is not an unprimeable number, because it can be changed into a prime (2223233443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6947445 + ... + 6947764.

Almost surely, 2^2223233440 is an apocalyptic number.

2223233440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223233440 is an abundant number, since it is smaller than the sum of its proper divisors (3029155940).

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

2223233440 is a wasteful number, since it uses less digits than its factorization.

2223233440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13895224 (or 13895216 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 2223233440 is about 47151.1764434356. The cubic root of 2223233440 is about 1305.1537895611.

Adding to 2223233440 its reverse (443323222), we get a palindrome (2666556662).

The spelling of 2223233440 in words is "two billion, two hundred twenty-three million, two hundred thirty-three thousand, four hundred forty".