22694188445 has 8 divisors (see below), whose sum is σ = 28111511040. Its totient is φ = 17569694160.

The previous prime is 22694188441. The next prime is 22694188453. The reversal of 22694188445 is 54488149622.

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

It is not a de Polignac number, because 22694188445 - 2² = 22694188441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22694188441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73206905 + ... + 73207214.

It is an arithmetic number, because the mean of its divisors is an integer number (3513938880).

Almost surely, 2^22694188445 is an apocalyptic number.

It is an amenable number.

22694188445 is a deficient number, since it is larger than the sum of its proper divisors (5417322595).

22694188445 is a wasteful number, since it uses less digits than its factorization.

22694188445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146414155.

The product of its digits is 4423680, while the sum is 53.

The spelling of 22694188445 in words is "twenty-two billion, six hundred ninety-four million, one hundred eighty-eight thousand, four hundred forty-five".