2618257422 has 16 divisors (see below), whose sum is σ = 5712561792. Its totient is φ = 793411320.

The previous prime is 2618257409. The next prime is 2618257457. The reversal of 2618257422 is 2247528162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19835218 + ... + 19835349.

It is an arithmetic number, because the mean of its divisors is an integer number (357035112).

Almost surely, 2^2618257422 is an apocalyptic number.

2618257422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2618257422 is an abundant number, since it is smaller than the sum of its proper divisors (3094304370).

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

2618257422 is a wasteful number, since it uses less digits than its factorization.

2618257422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39670583.

The product of its digits is 107520, while the sum is 39.

The square root of 2618257422 is about 51168.9106978056. The cubic root of 2618257422 is about 1378.2799795248.

The spelling of 2618257422 in words is "two billion, six hundred eighteen million, two hundred fifty-seven thousand, four hundred twenty-two".