22161405415 has 8 divisors (see below), whose sum is σ = 26990607600. Its totient is φ = 17464510272.

The previous prime is 22161405379. The next prime is 22161405433. The reversal of 22161405415 is 51450416122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22161405415 - 2¹⁵ = 22161372647 is a prime.

It is a super-2 number, since 2×22161405415² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33076390 + ... + 33077059.

It is an arithmetic number, because the mean of its divisors is an integer number (3373825950).

Almost surely, 2^22161405415 is an apocalyptic number.

22161405415 is a deficient number, since it is larger than the sum of its proper divisors (4829202185).

22161405415 is an equidigital number, since it uses as much as digits as its factorization.

22161405415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66153521.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 22161405415 in words is "twenty-two billion, one hundred sixty-one million, four hundred five thousand, four hundred fifteen".