22164350654 has 4 divisors (see below), whose sum is σ = 33246525984. Its totient is φ = 11082175326.

The previous prime is 22164350651. The next prime is 22164350701. The reversal of 22164350654 is 45605346122.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22164350651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5541087662 + ... + 5541087665.

It is an arithmetic number, because the mean of its divisors is an integer number (8311631496).

Almost surely, 2^22164350654 is an apocalyptic number.

22164350654 is a deficient number, since it is larger than the sum of its proper divisors (11082175330).

22164350654 is a wasteful number, since it uses less digits than its factorization.

22164350654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11082175329.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 22164350654 its reverse (45605346122), we get a palindrome (67769696776).

The spelling of 22164350654 in words is "twenty-two billion, one hundred sixty-four million, three hundred fifty thousand, six hundred fifty-four".