2578442022 has 24 divisors (see below), whose sum is σ = 6016365264. Its totient is φ = 793366704.

The previous prime is 2578442017. The next prime is 2578442057. The reversal of 2578442022 is 2202448752.

2578442022 is a `hidden beast` number, since 2 + 578 + 44 + 20 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5509258 + ... + 5509725.

It is an arithmetic number, because the mean of its divisors is an integer number (250681886).

Almost surely, 2^2578442022 is an apocalyptic number.

2578442022 is an abundant number, since it is smaller than the sum of its proper divisors (3437923242).

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

2578442022 is a wasteful number, since it uses less digits than its factorization.

2578442022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11019004 (or 11019001 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 2578442022 is about 50778.3617498635. The cubic root of 2578442022 is about 1371.2578395813.

The spelling of 2578442022 in words is "two billion, five hundred seventy-eight million, four hundred forty-two thousand, twenty-two".