22471155412 has 24 divisors (see below), whose sum is σ = 41099947560. Its totient is φ = 10736302080.

The previous prime is 22471155389. The next prime is 22471155491. The reversal of 22471155412 is 21455117422.

It can be written as a sum of positive squares in 4 ways, for example, as 3392363536 + 19078791876 = 58244^2 + 138126^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 987289 + ... + 1009792.

It is an arithmetic number, because the mean of its divisors is an integer number (1712497815).

Almost surely, 2^22471155412 is an apocalyptic number.

It is an amenable number.

22471155412 is a deficient number, since it is larger than the sum of its proper divisors (18628792148).

22471155412 is a wasteful number, since it uses less digits than its factorization.

22471155412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997211 (or 1997209 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The spelling of 22471155412 in words is "twenty-two billion, four hundred seventy-one million, one hundred fifty-five thousand, four hundred twelve".