2213042345 has 8 divisors (see below), whose sum is σ = 2747225160. Its totient is φ = 1709384320.

The previous prime is 2213042323. The next prime is 2213042389. The reversal of 2213042345 is 5432403122.

It can be written as a sum of positive squares in 4 ways, for example, as 247716121 + 1965326224 = 15739^2 + 44332^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2213042345 - 2²⁰ = 2211993769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7631036 + ... + 7631325.

It is an arithmetic number, because the mean of its divisors is an integer number (343403145).

Almost surely, 2^2213042345 is an apocalyptic number.

It is an amenable number.

2213042345 is a deficient number, since it is larger than the sum of its proper divisors (534182815).

2213042345 is a wasteful number, since it uses less digits than its factorization.

2213042345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15262395.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2213042345 is about 47042.9840146222. The cubic root of 2213042345 is about 1303.1565001826.

Adding to 2213042345 its reverse (5432403122), we get a palindrome (7645445467).

The spelling of 2213042345 in words is "two billion, two hundred thirteen million, forty-two thousand, three hundred forty-five".