22512004535 has 16 divisors (see below), whose sum is σ = 27834967776. Its totient is φ = 17465735808.

The previous prime is 22512004531. The next prime is 22512004547. The reversal of 22512004535 is 53540021522.

It is a cyclic number.

It is not a de Polignac number, because 22512004535 - 2² = 22512004531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22512004498 and 22512004507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22512004531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141392 + ... + 254981.

It is an arithmetic number, because the mean of its divisors is an integer number (1739685486).

Almost surely, 2^22512004535 is an apocalyptic number.

22512004535 is a deficient number, since it is larger than the sum of its proper divisors (5322963241).

22512004535 is a wasteful number, since it uses less digits than its factorization.

22512004535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396722.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 22512004535 in words is "twenty-two billion, five hundred twelve million, four thousand, five hundred thirty-five".