22381147412 has 48 divisors (see below), whose sum is σ = 43365637392. Its totient is φ = 10039956480.

The previous prime is 22381147391. The next prime is 22381147417. The reversal of 22381147412 is 21474118322.

It can be written as a sum of positive squares in 8 ways, for example, as 8784188176 + 13596959236 = 93724^2 + 116606^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22381147417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1981862 + ... + 1993122.

It is an arithmetic number, because the mean of its divisors is an integer number (903450779).

Almost surely, 2^22381147412 is an apocalyptic number.

It is an amenable number.

22381147412 is a deficient number, since it is larger than the sum of its proper divisors (20984489980).

22381147412 is a wasteful number, since it uses less digits than its factorization.

22381147412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12348 (or 12346 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The spelling of 22381147412 in words is "twenty-two billion, three hundred eighty-one million, one hundred forty-seven thousand, four hundred twelve".