28422370503 has 40 divisors (see below), whose sum is σ = 44724155520. Its totient is φ = 17938357200.

The previous prime is 28422370481. The next prime is 28422370531. The reversal of 28422370503 is 30507322482.

28422370503 is a `hidden beast` number, since 2 + 84 + 2 + 2 + 3 + 70 + 503 = 666.

It is not a de Polignac number, because 28422370503 - 2⁸ = 28422370247 is a prime.

It is a super-2 number, since 2×28422370503² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28422370573) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2498278 + ... + 2509628.

It is an arithmetic number, because the mean of its divisors is an integer number (1118103888).

Almost surely, 2^28422370503 is an apocalyptic number.

28422370503 is a deficient number, since it is larger than the sum of its proper divisors (16301785017).

28422370503 is a wasteful number, since it uses less digits than its factorization.

28422370503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13009 (or 13000 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 28422370503 its reverse (30507322482), we get a palindrome (58929692985).

The spelling of 28422370503 in words is "twenty-eight billion, four hundred twenty-two million, three hundred seventy thousand, five hundred three".