21883442152 has 64 divisors (see below), whose sum is σ = 48228384960. Its totient is φ = 9177369600.

The previous prime is 21883442149. The next prime is 21883442153. The reversal of 21883442152 is 25124438812.

It is a happy number.

It is a super-2 number, since 2×21883442152² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21883442153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3441408 + ... + 3447760.

It is an arithmetic number, because the mean of its divisors is an integer number (753568515).

Almost surely, 2^21883442152 is an apocalyptic number.

21883442152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21883442152 is an abundant number, since it is smaller than the sum of its proper divisors (26344942808).

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

21883442152 is a wasteful number, since it uses less digits than its factorization.

21883442152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9394 (or 9390 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The spelling of 21883442152 in words is "twenty-one billion, eight hundred eighty-three million, four hundred forty-two thousand, one hundred fifty-two".