22505142334 has 8 divisors (see below), whose sum is σ = 35743461408. Its totient is φ = 10590655200.

The previous prime is 22505142313. The next prime is 22505142347. The reversal of 22505142334 is 43324150522.

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

It is a junction number, because it is equal to n+sod(n) for n = 22505142296 and 22505142305.

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 3 ways as a sum of consecutive naturals, for example, 330957942 + ... + 330958009.

It is an arithmetic number, because the mean of its divisors is an integer number (4467932676).

Almost surely, 2^22505142334 is an apocalyptic number.

22505142334 is a deficient number, since it is larger than the sum of its proper divisors (13238319074).

22505142334 is a wasteful number, since it uses less digits than its factorization.

22505142334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661915970.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 22505142334 its reverse (43324150522), we get a palindrome (65829292856).

The spelling of 22505142334 in words is "twenty-two billion, five hundred five million, one hundred forty-two thousand, three hundred thirty-four".