22042134445 has 8 divisors (see below), whose sum is σ = 27303805440. Its totient is φ = 17064878160.

The previous prime is 22042134421. The next prime is 22042134461. The reversal of 22042134445 is 54443124022.

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

It is a de Polignac number, because none of the positive numbers 2^k-22042134445 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 71103505 + ... + 71103814.

It is an arithmetic number, because the mean of its divisors is an integer number (3412975680).

Almost surely, 2^22042134445 is an apocalyptic number.

It is an amenable number.

22042134445 is a deficient number, since it is larger than the sum of its proper divisors (5261670995).

22042134445 is a wasteful number, since it uses less digits than its factorization.

22042134445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142207355.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 22042134445 its reverse (54443124022), we get a palindrome (76485258467).

The spelling of 22042134445 in words is "twenty-two billion, forty-two million, one hundred thirty-four thousand, four hundred forty-five".