22045142406 has 32 divisors (see below), whose sum is σ = 52014348288. Its totient is φ = 6095430720.

The previous prime is 22045142363. The next prime is 22045142423. The reversal of 22045142406 is 60424154022.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8464575 + ... + 8467178.

It is an arithmetic number, because the mean of its divisors is an integer number (1625448384).

Almost surely, 2^22045142406 is an apocalyptic number.

22045142406 is an abundant number, since it is smaller than the sum of its proper divisors (29969205882).

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

22045142406 is a wasteful number, since it uses less digits than its factorization.

22045142406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16931796.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 22045142406 its reverse (60424154022), we get a palindrome (82469296428).

It can be divided in two parts, 22045 and 142406, that added together give a triangular number (164451 = T₅₇₃).

The spelling of 22045142406 in words is "twenty-two billion, forty-five million, one hundred forty-two thousand, four hundred six".