22122315400505 has 32 divisors (see below), whose sum is σ = 27659192698368. Its totient is φ = 16971394291200.

The previous prime is 22122315400501. The next prime is 22122315400561. The reversal of 22122315400505 is 50500451322122.

It is not a de Polignac number, because 22122315400505 - 2² = 22122315400501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122315400501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17483444 + ... + 18706026.

It is an arithmetic number, because the mean of its divisors is an integer number (864349771824).

Almost surely, 2^{22122315400505} is an apocalyptic number.

It is an amenable number.

22122315400505 is a deficient number, since it is larger than the sum of its proper divisors (5536877297863).

22122315400505 is a wasteful number, since it uses less digits than its factorization.

22122315400505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224137.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 22122315400505 its reverse (50500451322122), we get a palindrome (72622766722627).

The spelling of 22122315400505 in words is "twenty-two trillion, one hundred twenty-two billion, three hundred fifteen million, four hundred thousand, five hundred five".