22728154851 has 32 divisors (see below), whose sum is σ = 34152776000. Its totient is φ = 14935705344.

The previous prime is 22728154837. The next prime is 22728154961. The reversal of 22728154851 is 15845182722.

22728154851 is a `hidden beast` number, since 2 + 27 + 2 + 81 + 548 + 5 + 1 = 666.

It is not a de Polignac number, because 22728154851 - 2¹³ = 22728146659 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22728154797 and 22728154806.

It is not an unprimeable number, because it can be changed into a prime (22728154451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6125985 + ... + 6129693.

It is an arithmetic number, because the mean of its divisors is an integer number (1067274250).

Almost surely, 2^22728154851 is an apocalyptic number.

22728154851 is a deficient number, since it is larger than the sum of its proper divisors (11424621149).

22728154851 is a wasteful number, since it uses less digits than its factorization.

22728154851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6900 (or 6894 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The spelling of 22728154851 in words is "twenty-two billion, seven hundred twenty-eight million, one hundred fifty-four thousand, eight hundred fifty-one".