22551553405 has 16 divisors (see below), whose sum is σ = 28727440560. Its totient is φ = 16936317952.

The previous prime is 22551553369. The next prime is 22551553459. The reversal of 22551553405 is 50435515522.

It can be written as a sum of positive squares in 8 ways, for example, as 367834041 + 22183719364 = 19179^2 + 148942^2 .

It is a cyclic number.

It is not a de Polignac number, because 22551553405 - 2¹⁹ = 22551029117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307954 + ... + 374083.

It is an arithmetic number, because the mean of its divisors is an integer number (1795465035).

Almost surely, 2^22551553405 is an apocalyptic number.

It is an amenable number.

22551553405 is a deficient number, since it is larger than the sum of its proper divisors (6175887155).

22551553405 is a wasteful number, since it uses less digits than its factorization.

22551553405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682448.

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 22551553405 in words is "twenty-two billion, five hundred fifty-one million, five hundred fifty-three thousand, four hundred five".