2223510345 has 40 divisors (see below), whose sum is σ = 4555260864. Its totient is φ = 1016460576.

The previous prime is 2223510343. The next prime is 2223510389. The reversal of 2223510345 is 5430153222.

It is a happy number.

It is not a de Polignac number, because 2223510345 - 2¹ = 2223510343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2223510343) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 389319 + ... + 394988.

Almost surely, 2^2223510345 is an apocalyptic number.

It is an amenable number.

2223510345 is an abundant number, since it is smaller than the sum of its proper divisors (2331750519).

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

2223510345 is an equidigital number, since it uses as much as digits as its factorization.

2223510345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784331 (or 784322 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2223510345 is about 47154.1127050441. The cubic root of 2223510345 is about 1305.2079731959.

Adding to 2223510345 its reverse (5430153222), we get a palindrome (7653663567).

The spelling of 2223510345 in words is "two billion, two hundred twenty-three million, five hundred ten thousand, three hundred forty-five".