22731409550 has 24 divisors (see below), whose sum is σ = 42294707400. Its totient is φ = 9089491680.

The previous prime is 22731409549. The next prime is 22731409559. The reversal of 22731409550 is 5590413722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22731409559) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 75656 + ... + 226244.

It is an arithmetic number, because the mean of its divisors is an integer number (1762279475).

Almost surely, 2^22731409550 is an apocalyptic number.

22731409550 is a deficient number, since it is larger than the sum of its proper divisors (19563297850).

22731409550 is a wasteful number, since it uses less digits than its factorization.

22731409550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153620 (or 153615 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 22731409550 in words is "twenty-two billion, seven hundred thirty-one million, four hundred nine thousand, five hundred fifty".