22869649821 has 16 divisors (see below), whose sum is σ = 30662755200. Its totient is φ = 15161565888.

The previous prime is 22869649799. The next prime is 22869649843. The reversal of 22869649821 is 12894696822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22869649799) and next prime (22869649843).

It is not a de Polignac number, because 22869649821 - 2¹⁵ = 22869617053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22869649861) 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 in 15 ways as a sum of consecutive naturals, for example, 1356240 + ... + 1372998.

It is an arithmetic number, because the mean of its divisors is an integer number (1916422200).

Almost surely, 2^22869649821 is an apocalyptic number.

It is an amenable number.

22869649821 is a deficient number, since it is larger than the sum of its proper divisors (7793105379).

22869649821 is a wasteful number, since it uses less digits than its factorization.

22869649821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19268.

The product of its digits is 5971968, while the sum is 57.

The spelling of 22869649821 in words is "twenty-two billion, eight hundred sixty-nine million, six hundred forty-nine thousand, eight hundred twenty-one".