2240420223 has 4 divisors (see below), whose sum is σ = 2987226968. Its totient is φ = 1493613480.

The previous prime is 2240420219. The next prime is 2240420233. The reversal of 2240420223 is 3220240422.

2240420223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2240420223 - 2² = 2240420219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240420223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240420213) 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, 373403368 + ... + 373403373.

It is an arithmetic number, because the mean of its divisors is an integer number (746806742).

Almost surely, 2^2240420223 is an apocalyptic number.

2240420223 is a deficient number, since it is larger than the sum of its proper divisors (746806745).

2240420223 is an equidigital number, since it uses as much as digits as its factorization.

2240420223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746806744.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2240420223 is about 47333.0774723132. The cubic root of 2240420223 is about 1308.5083390368.

Adding to 2240420223 its reverse (3220240422), we get a palindrome (5460660645).

The spelling of 2240420223 in words is "two billion, two hundred forty million, four hundred twenty thousand, two hundred twenty-three".