2542466222157 has 24 divisors (see below), whose sum is σ = 3580286289664. Its totient is φ = 1604568455424.

The previous prime is 2542466222143. The next prime is 2542466222173. The reversal of 2542466222157 is 7512226642452.

It is not a de Polignac number, because 2542466222157 - 2²³ = 2542457833549 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 (2542466221157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8104093 + ... + 8411970.

Almost surely, 2^{2542466222157} is an apocalyptic number.

It is an amenable number.

2542466222157 is a deficient number, since it is larger than the sum of its proper divisors (1037820067507).

2542466222157 is a wasteful number, since it uses less digits than its factorization.

2542466222157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16516209 (or 16516186 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 48.

The spelling of 2542466222157 in words is "two trillion, five hundred forty-two billion, four hundred sixty-six million, two hundred twenty-two thousand, one hundred fifty-seven".