2243620045 has 8 divisors (see below), whose sum is σ = 2692732896. Its totient is φ = 1794636816.

The previous prime is 2243620013. The next prime is 2243620051. The reversal of 2243620045 is 5400263422.

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

It is a cyclic number.

It is not a de Polignac number, because 2243620045 - 2⁵ = 2243620013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243619995 and 2243620022.

It is a congruent number.

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, 10954 + ... + 67876.

It is an arithmetic number, because the mean of its divisors is an integer number (336591612).

Almost surely, 2^2243620045 is an apocalyptic number.

It is an amenable number.

2243620045 is a deficient number, since it is larger than the sum of its proper divisors (449112851).

2243620045 is an equidigital number, since it uses as much as digits as its factorization.

2243620045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64811.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2243620045 is about 47366.8665313635. The cubic root of 2243620045 is about 1309.1309903867.

Adding to 2243620045 its reverse (5400263422), we get a palindrome (7643883467).

The spelling of 2243620045 in words is "two billion, two hundred forty-three million, six hundred twenty thousand, forty-five".