22949148521 has 64 divisors (see below), whose sum is σ = 27792979200. Its totient is φ = 18743402496.

The previous prime is 22949148491. The next prime is 22949148533. The reversal of 22949148521 is 12584194922.

It is not a de Polignac number, because 22949148521 - 2¹⁰ = 22949147497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22949148421) 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 63 ways as a sum of consecutive naturals, for example, 51803726 + ... + 51804168.

It is an arithmetic number, because the mean of its divisors is an integer number (434265300).

Almost surely, 2^22949148521 is an apocalyptic number.

It is an amenable number.

22949148521 is a deficient number, since it is larger than the sum of its proper divisors (4843830679).

22949148521 is a wasteful number, since it uses less digits than its factorization.

22949148521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698.

The product of its digits is 414720, while the sum is 47.

The spelling of 22949148521 in words is "twenty-two billion, nine hundred forty-nine million, one hundred forty-eight thousand, five hundred twenty-one".