22452044320406 has 4 divisors (see below), whose sum is σ = 33678066480612. Its totient is φ = 11226022160202.

The previous prime is 22452044320397. The next prime is 22452044320421. The reversal of 22452044320406 is 60402344025422.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22452044320406.

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 as a sum of consecutive naturals, namely, 5613011080100 + ... + 5613011080103.

It is an arithmetic number, because the mean of its divisors is an integer number (8419516620153).

Almost surely, 2^{22452044320406} is an apocalyptic number.

22452044320406 is a deficient number, since it is larger than the sum of its proper divisors (11226022160206).

22452044320406 is a wasteful number, since it uses less digits than its factorization.

22452044320406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11226022160205.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 22452044320406 its reverse (60402344025422), we get a palindrome (82854388345828).

The spelling of 22452044320406 in words is "twenty-two trillion, four hundred fifty-two billion, forty-four million, three hundred twenty thousand, four hundred six".