6542222456 has 48 divisors (see below), whose sum is σ = 15566615640. Its totient is φ = 2548916160.

The previous prime is 6542222429. The next prime is 6542222459.

6542222456 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542222459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 754295 + ... + 762918.

Almost surely, 2^6542222456 is an apocalyptic number.

It is an amenable number.

6542222456 is an abundant number, since it is smaller than the sum of its proper divisors (9024393184).

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

6542222456 is a wasteful number, since it uses less digits than its factorization.

6542222456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517244 (or 1517233 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The square root of 6542222456 is about 80884.0061816921. The cubic root of 6542222456 is about 1870.2877778773.

It can be divided in two parts, 65422 and 22456, that added together give a palindrome (87878).

The spelling of 6542222456 in words is "six billion, five hundred forty-two million, two hundred twenty-two thousand, four hundred fifty-six".