22487621741 has 12 divisors (see below), whose sum is σ = 25559130492. Its totient is φ = 19665284544.

The previous prime is 22487621707. The next prime is 22487621759. The reversal of 22487621741 is 14712678422.

It can be written as a sum of positive squares in 2 ways, for example, as 15530393641 + 6957228100 = 124621^2 + 83410^2 .

It is not a de Polignac number, because 22487621741 - 2¹⁰ = 22487620717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22487621692 and 22487621701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22487621771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2391176 + ... + 2400561.

It is an arithmetic number, because the mean of its divisors is an integer number (2129927541).

Almost surely, 2^22487621741 is an apocalyptic number.

It is an amenable number.

22487621741 is a deficient number, since it is larger than the sum of its proper divisors (3071508751).

22487621741 is a wasteful number, since it uses less digits than its factorization.

22487621741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791788 (or 4791769 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The spelling of 22487621741 in words is "twenty-two billion, four hundred eighty-seven million, six hundred twenty-one thousand, seven hundred forty-one".