2622426887 has 4 divisors (see below), whose sum is σ = 2622955440. Its totient is φ = 2621898336.

The previous prime is 2622426869. The next prime is 2622426973. The reversal of 2622426887 is 7886242262.

2622426887 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, and also an emirpimes, since its reverse is a distinct semiprime: 7886242262 = 2 ⋅3943121131.

It is a cyclic number.

It is not a de Polignac number, because 2622426887 - 2¹² = 2622422791 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 (2622426847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256763 + ... + 266780.

It is an arithmetic number, because the mean of its divisors is an integer number (655738860).

Almost surely, 2^2622426887 is an apocalyptic number.

2622426887 is a deficient number, since it is larger than the sum of its proper divisors (528553).

2622426887 is an equidigital number, since it uses as much as digits as its factorization.

2622426887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528552.

The product of its digits is 1032192, while the sum is 47.

The square root of 2622426887 is about 51209.6366614722. The cubic root of 2622426887 is about 1379.0112091750.

The spelling of 2622426887 in words is "two billion, six hundred twenty-two million, four hundred twenty-six thousand, eight hundred eighty-seven".