22144200340405 has 48 divisors (see below), whose sum is σ = 31629829682880. Its totient is φ = 14752554585600.

The previous prime is 22144200340343. The next prime is 22144200340411. The reversal of 22144200340405 is 50404300244122.

It is not a de Polignac number, because 22144200340405 - 2⁷ = 22144200340277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7875400 + ... + 10310689.

It is an arithmetic number, because the mean of its divisors is an integer number (658954785060).

Almost surely, 2^{22144200340405} is an apocalyptic number.

It is an amenable number.

22144200340405 is a deficient number, since it is larger than the sum of its proper divisors (9485629342475).

22144200340405 is a wasteful number, since it uses less digits than its factorization.

22144200340405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18186262 (or 18186249 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 22144200340405 its reverse (50404300244122), we get a palindrome (72548500584527).

The spelling of 22144200340405 in words is "twenty-two trillion, one hundred forty-four billion, two hundred million, three hundred forty thousand, four hundred five".