22521342005 has 8 divisors (see below), whose sum is σ = 27033892224. Its totient is φ = 18011552400.

The previous prime is 22521341933. The next prime is 22521342013. The reversal of 22521342005 is 50024312522.

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

It is not a de Polignac number, because 22521342005 - 2¹⁶ = 22521276469 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 7 ways as a sum of consecutive naturals, for example, 672161 + ... + 704870.

It is an arithmetic number, because the mean of its divisors is an integer number (3379236528).

Almost surely, 2^22521342005 is an apocalyptic number.

It is an amenable number.

22521342005 is a deficient number, since it is larger than the sum of its proper divisors (4512550219).

22521342005 is a wasteful number, since it uses less digits than its factorization.

22521342005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380307.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22521342005 its reverse (50024312522), we get a palindrome (72545654527).

The spelling of 22521342005 in words is "twenty-two billion, five hundred twenty-one million, three hundred forty-two thousand, five".