22387943982 has 16 divisors (see below), whose sum is σ = 44888678352. Its totient is φ = 7443849600.

The previous prime is 22387943891. The next prime is 22387943989. The reversal of 22387943982 is 28934978322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22387943989) 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 7 ways as a sum of consecutive naturals, for example, 4697019 + ... + 4701782.

It is an arithmetic number, because the mean of its divisors is an integer number (2805542397).

Almost surely, 2^22387943982 is an apocalyptic number.

22387943982 is an abundant number, since it is smaller than the sum of its proper divisors (22500734370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22387943982 is a wasteful number, since it uses less digits than its factorization.

22387943982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9399203.

The product of its digits is 10450944, while the sum is 57.

The spelling of 22387943982 in words is "twenty-two billion, three hundred eighty-seven million, nine hundred forty-three thousand, nine hundred eighty-two".