22164452123534 has 128 divisors (see below), whose sum is σ = 41684960212992. Its totient is φ = 8632518935040.

The previous prime is 22164452123533. The next prime is 22164452123543. The reversal of 22164452123534 is 43532125446122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22164452123533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133151084 + ... + 133317440.

It is an arithmetic number, because the mean of its divisors is an integer number (325663751664).

Almost surely, 2^{22164452123534} is an apocalyptic number.

22164452123534 is a deficient number, since it is larger than the sum of its proper divisors (19520508089458).

22164452123534 is a wasteful number, since it uses less digits than its factorization.

22164452123534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166690.

The product of its digits is 1382400, while the sum is 44.

Adding to 22164452123534 its reverse (43532125446122), we get a palindrome (65696577569656).

The spelling of 22164452123534 in words is "twenty-two trillion, one hundred sixty-four billion, four hundred fifty-two million, one hundred twenty-three thousand, five hundred thirty-four".