22451522515422 has 64 divisors (see below), whose sum is σ = 60289403134464. Its totient is φ = 5382982419840.

The previous prime is 22451522515309. The next prime is 22451522515463.

22451522515422 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1869085113 + ... + 1869097124.

It is an arithmetic number, because the mean of its divisors is an integer number (942021923976).

Almost surely, 2^{22451522515422} is an apocalyptic number.

22451522515422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22451522515422 is an abundant number, since it is smaller than the sum of its proper divisors (37837880619042).

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

22451522515422 is a wasteful number, since it uses less digits than its factorization.

22451522515422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738182273.

The product of its digits is 640000, while the sum is 42.

The spelling of 22451522515422 in words is "twenty-two trillion, four hundred fifty-one billion, five hundred twenty-two million, five hundred fifteen thousand, four hundred twenty-two".