22005423415 has 4 divisors (see below), whose sum is σ = 26406508104. Its totient is φ = 17604338728.

The previous prime is 22005423409. The next prime is 22005423463. The reversal of 22005423415 is 51432450022.

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

It is a cyclic number.

It is not a de Polignac number, because 22005423415 - 2²¹ = 22003326263 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 2200542337 + ... + 2200542346.

It is an arithmetic number, because the mean of its divisors is an integer number (6601627026).

Almost surely, 2^22005423415 is an apocalyptic number.

22005423415 is a deficient number, since it is larger than the sum of its proper divisors (4401084689).

22005423415 is an equidigital number, since it uses as much as digits as its factorization.

22005423415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401084688.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 22005423415 its reverse (51432450022), we get a palindrome (73437873437).

The spelling of 22005423415 in words is "twenty-two billion, five million, four hundred twenty-three thousand, four hundred fifteen".