22542406134556 has 96 divisors (see below), whose sum is σ = 52082322969600. Its totient is φ = 8265210516480.

The previous prime is 22542406134517. The next prime is 22542406134557. The reversal of 22542406134556 is 65543160424522.

It is a super-3 number, since 3×22542406134556³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22542406134557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48142410 + ... + 48608398.

It is an arithmetic number, because the mean of its divisors is an integer number (542524197600).

Almost surely, 2^{22542406134556} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22542406134556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26041161484800).

22542406134556 is an abundant number, since it is smaller than the sum of its proper divisors (29539916835044).

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

22542406134556 is a wasteful number, since it uses less digits than its factorization.

22542406134556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475267 (or 475265 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 22542406134556 in words is "twenty-two trillion, five hundred forty-two billion, four hundred six million, one hundred thirty-four thousand, five hundred fifty-six".