2422578645 has 32 divisors (see below), whose sum is σ = 4379817600. Its totient is φ = 1270138752.

The previous prime is 2422578611. The next prime is 2422578647. The reversal of 2422578645 is 5468752242.

2422578645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2422578645 - 2⁷ = 2422578517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2422578645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422578647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144112 + ... + 160041.

It is an arithmetic number, because the mean of its divisors is an integer number (136869300).

Almost surely, 2^2422578645 is an apocalyptic number.

It is an amenable number.

2422578645 is a deficient number, since it is larger than the sum of its proper divisors (1957238955).

2422578645 is a wasteful number, since it uses less digits than its factorization.

2422578645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304226 (or 304220 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 2422578645 is about 49219.6977337326. The cubic root of 2422578645 is about 1343.0513823851.

The spelling of 2422578645 in words is "two billion, four hundred twenty-two million, five hundred seventy-eight thousand, six hundred forty-five".