22005420305452 has 12 divisors (see below), whose sum is σ = 40774749389640. Its totient is φ = 10355491908416.

The previous prime is 22005420305447. The next prime is 22005420305513. The reversal of 22005420305452 is 25450302450022.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 161804561002 + ... + 161804561137.

It is an arithmetic number, because the mean of its divisors is an integer number (3397895782470).

Almost surely, 2^{22005420305452} is an apocalyptic number.

It is an amenable number.

22005420305452 is a deficient number, since it is larger than the sum of its proper divisors (18769329084188).

22005420305452 is a wasteful number, since it uses less digits than its factorization.

22005420305452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323609122160 (or 323609122158 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 22005420305452 its reverse (25450302450022), we get a palindrome (47455722755474).

The spelling of 22005420305452 in words is "twenty-two trillion, five billion, four hundred twenty million, three hundred five thousand, four hundred fifty-two".