2223023240 has 64 divisors (see below), whose sum is σ = 5127321600. Its totient is φ = 867138048.

The previous prime is 2223023219. The next prime is 2223023251. The reversal of 2223023240 is 423203222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296012 + ... + 303428.

It is an arithmetic number, because the mean of its divisors is an integer number (80114400).

Almost surely, 2^2223023240 is an apocalyptic number.

2223023240 is a gapful number since it is divisible by the number (20) 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 2223023240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2563660800).

2223023240 is an abundant number, since it is smaller than the sum of its proper divisors (2904298360).

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

2223023240 is a wasteful number, since it uses less digits than its factorization.

2223023240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614 (or 7610 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2223023240 is about 47148.9473901592. The cubic root of 2223023240 is about 1305.1126554831.

Adding to 2223023240 its reverse (423203222), we get a palindrome (2646226462).

The spelling of 2223023240 in words is "two billion, two hundred twenty-three million, twenty-three thousand, two hundred forty".