2581967622 has 32 divisors (see below), whose sum is σ = 5575096800. Its totient is φ = 792460800.

The previous prime is 2581967621. The next prime is 2581967639. The reversal of 2581967622 is 2267691852.

2581967622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581967621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9997 + ... + 72552.

It is an arithmetic number, because the mean of its divisors is an integer number (174221775).

Almost surely, 2^2581967622 is an apocalyptic number.

2581967622 is an abundant number, since it is smaller than the sum of its proper divisors (2993129178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2581967622 is a wasteful number, since it uses less digits than its factorization.

2581967622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82968.

The product of its digits is 725760, while the sum is 48.

The square root of 2581967622 is about 50813.0654654883. The cubic root of 2581967622 is about 1371.8825456122.

The spelling of 2581967622 in words is "two billion, five hundred eighty-one million, nine hundred sixty-seven thousand, six hundred twenty-two".