22405898494 has 16 divisors (see below), whose sum is σ = 38412728928. Its totient is φ = 9601873632.

The previous prime is 22405898491. The next prime is 22405898503. The reversal of 22405898494 is 49489850422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22405898491) 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 7 ways as a sum of consecutive naturals, for example, 198892 + ... + 290464.

It is an arithmetic number, because the mean of its divisors is an integer number (2400795558).

Almost surely, 2^22405898494 is an apocalyptic number.

22405898494 is a deficient number, since it is larger than the sum of its proper divisors (16006830434).

22405898494 is a wasteful number, since it uses less digits than its factorization.

22405898494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109059.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 22405898494 in words is "twenty-two billion, four hundred five million, eight hundred ninety-eight thousand, four hundred ninety-four".