2591155422 has 24 divisors (see below), whose sum is σ = 5620314960. Its totient is φ = 862773120.

The previous prime is 2591155409. The next prime is 2591155439. The reversal of 2591155422 is 2245511952.

2591155422 is a `hidden beast` number, since 2 + 591 + 15 + 54 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61779 + ... + 94862.

It is an arithmetic number, because the mean of its divisors is an integer number (234179790).

Almost surely, 2^2591155422 is an apocalyptic number.

2591155422 is an abundant number, since it is smaller than the sum of its proper divisors (3029159538).

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

2591155422 is a wasteful number, since it uses less digits than its factorization.

2591155422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157568 (or 157565 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 2591155422 is about 50903.3930303276. The cubic root of 2591155422 is about 1373.5078772535.

The spelling of 2591155422 in words is "two billion, five hundred ninety-one million, one hundred fifty-five thousand, four hundred twenty-two".