22045142405 has 32 divisors (see below), whose sum is σ = 31106533248. Its totient is φ = 14786438400.

The previous prime is 22045142363. The next prime is 22045142423. The reversal of 22045142405 is 50424154022.

It is not a de Polignac number, because 22045142405 - 2⁶ = 22045142341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 831362 + ... + 857468.

It is an arithmetic number, because the mean of its divisors is an integer number (972079164).

Almost surely, 2^22045142405 is an apocalyptic number.

It is an amenable number.

22045142405 is a deficient number, since it is larger than the sum of its proper divisors (9061390843).

22045142405 is a wasteful number, since it uses less digits than its factorization.

22045142405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27317.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 22045142405 its reverse (50424154022), we get a palindrome (72469296427).

The spelling of 22045142405 in words is "twenty-two billion, forty-five million, one hundred forty-two thousand, four hundred five".