2622472478 has 4 divisors (see below), whose sum is σ = 3933708720. Its totient is φ = 1311236238.

The previous prime is 2622472477. The next prime is 2622472483. The reversal of 2622472478 is 8742742262.

2622472478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2622472477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655618118 + ... + 655618121.

It is an arithmetic number, because the mean of its divisors is an integer number (983427180).

Almost surely, 2^2622472478 is an apocalyptic number.

2622472478 is a deficient number, since it is larger than the sum of its proper divisors (1311236242).

2622472478 is a wasteful number, since it uses less digits than its factorization.

2622472478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311236241.

The product of its digits is 602112, while the sum is 44.

The square root of 2622472478 is about 51210.0818003643. The cubic root of 2622472478 is about 1379.0192005177.

The spelling of 2622472478 in words is "two billion, six hundred twenty-two million, four hundred seventy-two thousand, four hundred seventy-eight".