2622644426 has 4 divisors (see below), whose sum is σ = 3933966642. Its totient is φ = 1311322212.

The previous prime is 2622644413. The next prime is 2622644441. The reversal of 2622644426 is 6244462262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6244462262 = 2 ⋅3122231131.

It can be written as a sum of positive squares in only one way, i.e., 2609677225 + 12967201 = 51085^2 + 3601^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2622644426.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655661105 + ... + 655661108.

Almost surely, 2^2622644426 is an apocalyptic number.

2622644426 is a deficient number, since it is larger than the sum of its proper divisors (1311322216).

2622644426 is a wasteful number, since it uses less digits than its factorization.

2622644426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311322215.

The product of its digits is 221184, while the sum is 38.

The square root of 2622644426 is about 51211.7606219509. The cubic root of 2622644426 is about 1379.0493393038.

The spelling of 2622644426 in words is "two billion, six hundred twenty-two million, six hundred forty-four thousand, four hundred twenty-six".