2445220351 has 8 divisors (see below), whose sum is σ = 2795126400. Its totient is φ = 2095461528.

The previous prime is 2445220343. The next prime is 2445220363. The reversal of 2445220351 is 1530225442.

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 2445220351 - 2³ = 2445220343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445220331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440 + ... + 69946.

It is an arithmetic number, because the mean of its divisors is an integer number (349390800).

Almost surely, 2^2445220351 is an apocalyptic number.

2445220351 is a deficient number, since it is larger than the sum of its proper divisors (349906049).

2445220351 is an equidigital number, since it uses as much as digits as its factorization.

2445220351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73613.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2445220351 is about 49449.1693661279. The cubic root of 2445220351 is about 1347.2225201885. Note that the first 3 decimals are identical.

Adding to 2445220351 its reverse (1530225442), we get a palindrome (3975445793).

The spelling of 2445220351 in words is "two billion, four hundred forty-five million, two hundred twenty thousand, three hundred fifty-one".