22105401215 has 8 divisors (see below), whose sum is σ = 26548723728. Its totient is φ = 17669492800.

The previous prime is 22105401169. The next prime is 22105401233. The reversal of 22105401215 is 51210450122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22105401215 is a prime.

It is a super-2 number, since 2×22105401215² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1846961 + ... + 1858890.

It is an arithmetic number, because the mean of its divisors is an integer number (3318590466).

Almost surely, 2^22105401215 is an apocalyptic number.

22105401215 is a deficient number, since it is larger than the sum of its proper divisors (4443322513).

22105401215 is a wasteful number, since it uses less digits than its factorization.

22105401215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707049.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 22105401215 its reverse (51210450122), we get a palindrome (73315851337).

The spelling of 22105401215 in words is "twenty-two billion, one hundred five million, four hundred one thousand, two hundred fifteen".