22021423113434 has 16 divisors (see below), whose sum is σ = 34976420638848. Its totient is φ = 10362661390272.

The previous prime is 22021423113421. The next prime is 22021423113467. The reversal of 22021423113434 is 43431132412022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22021423113434.

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, 10298162 + ... + 12251325.

It is an arithmetic number, because the mean of its divisors is an integer number (2186026289928).

Almost surely, 2^{22021423113434} is an apocalyptic number.

22021423113434 is a deficient number, since it is larger than the sum of its proper divisors (12954997525414).

22021423113434 is a wasteful number, since it uses less digits than its factorization.

22021423113434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578229.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 22021423113434 its reverse (43431132412022), we get a palindrome (65452555525456).

The spelling of 22021423113434 in words is "twenty-two trillion, twenty-one billion, four hundred twenty-three million, one hundred thirteen thousand, four hundred thirty-four".