22421073649 has 16 divisors (see below), whose sum is σ = 24352706560. Its totient is φ = 20519231040.

The previous prime is 22421073643. The next prime is 22421073683. The reversal of 22421073649 is 94637012422.

It is a cyclic number.

It is not a de Polignac number, because 22421073649 - 2⁵ = 22421073617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22421073643) 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 15 ways as a sum of consecutive naturals, for example, 2949844 + ... + 2957434.

It is an arithmetic number, because the mean of its divisors is an integer number (1522044160).

Almost surely, 2^22421073649 is an apocalyptic number.

It is an amenable number.

22421073649 is a deficient number, since it is larger than the sum of its proper divisors (1931632911).

22421073649 is a wasteful number, since it uses less digits than its factorization.

22421073649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 22421073649 in words is "twenty-two billion, four hundred twenty-one million, seventy-three thousand, six hundred forty-nine".