28422565555 has 16 divisors (see below), whose sum is σ = 34250519520. Its totient is φ = 22642509568.

The previous prime is 28422565529. The next prime is 28422565559. The reversal of 28422565555 is 55556522482.

It is a cyclic number.

It is not a de Polignac number, because 28422565555 - 2³¹ = 26275081907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28422565499 and 28422565508.

It is not an unprimeable number, because it can be changed into a prime (28422565559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3820119 + ... + 3827551.

It is an arithmetic number, because the mean of its divisors is an integer number (2140657470).

Almost surely, 2^28422565555 is an apocalyptic number.

28422565555 is a deficient number, since it is larger than the sum of its proper divisors (5827953965).

28422565555 is a wasteful number, since it uses less digits than its factorization.

28422565555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10550.

The product of its digits is 4800000, while the sum is 49.

The spelling of 28422565555 in words is "twenty-eight billion, four hundred twenty-two million, five hundred sixty-five thousand, five hundred fifty-five".