22454637236 has 6 divisors (see below), whose sum is σ = 39295615170. Its totient is φ = 11227318616.

The previous prime is 22454637217. The next prime is 22454637269. The reversal of 22454637236 is 63273645422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16344088336 + 6110548900 = 127844^2 + 78170^2 .

It is a congruent number.

It is an unprimeable number.

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, 2806829651 + ... + 2806829658.

It is an arithmetic number, because the mean of its divisors is an integer number (6549269195).

Almost surely, 2^22454637236 is an apocalyptic number.

It is an amenable number.

22454637236 is a deficient number, since it is larger than the sum of its proper divisors (16840977934).

22454637236 is a wasteful number, since it uses less digits than its factorization.

22454637236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613659313 (or 5613659311 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 44.

The spelling of 22454637236 in words is "twenty-two billion, four hundred fifty-four million, six hundred thirty-seven thousand, two hundred thirty-six".