22725809603 has 16 divisors (see below), whose sum is σ = 26878248960. Its totient is φ = 18800359200.

The previous prime is 22725809591. The next prime is 22725809647. The reversal of 22725809603 is 30690852722.

It is not a de Polignac number, because 22725809603 - 2⁶ = 22725809539 is a prime.

It is a super-2 number, since 2×22725809603² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22725809303) 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, 546518 + ... + 586628.

It is an arithmetic number, because the mean of its divisors is an integer number (1679890560).

Almost surely, 2^22725809603 is an apocalyptic number.

22725809603 is a deficient number, since it is larger than the sum of its proper divisors (4152439357).

22725809603 is a wasteful number, since it uses less digits than its factorization.

22725809603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42938.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 22725809603 in words is "twenty-two billion, seven hundred twenty-five million, eight hundred nine thousand, six hundred three".