22199516461 has 4 divisors (see below), whose sum is σ = 22740968124. Its totient is φ = 21658064800.

The previous prime is 22199516413. The next prime is 22199516467. The reversal of 22199516461 is 16461599122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12040892361 + 10158624100 = 109731^2 + 100790^2 .

It is a cyclic number.

It is not a de Polignac number, because 22199516461 - 2¹⁵ = 22199483693 is a prime.

It is a super-2 number, since 2×22199516461² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22199516467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270725770 + ... + 270725851.

It is an arithmetic number, because the mean of its divisors is an integer number (5685242031).

Almost surely, 2^22199516461 is an apocalyptic number.

It is an amenable number.

22199516461 is a deficient number, since it is larger than the sum of its proper divisors (541451663).

22199516461 is an equidigital number, since it uses as much as digits as its factorization.

22199516461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541451662.

The product of its digits is 233280, while the sum is 46.

The spelling of 22199516461 in words is "twenty-two billion, one hundred ninety-nine million, five hundred sixteen thousand, four hundred sixty-one".