21622237833924 has 1152 divisors, whose sum is σ = 74180800512000. Its totient is φ = 5257521561600.

The previous prime is 21622237833883. The next prime is 21622237833947. The reversal of 21622237833924 is 42933873222612.

21622237833924 is a `hidden beast` number, since 2 + 1 + 62 + 223 + 7 + 8 + 339 + 24 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 30844846774 + ... + 30844847474.

It is an arithmetic number, because the mean of its divisors is an integer number (64393056000).

Almost surely, 2^{21622237833924} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21622237833924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37090400256000).

21622237833924 is an abundant number, since it is smaller than the sum of its proper divisors (52558562678076).

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

21622237833924 is a wasteful number, since it uses less digits than its factorization.

21622237833924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 959 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 21622237833924 in words is "twenty-one trillion, six hundred twenty-two billion, two hundred thirty-seven million, eight hundred thirty-three thousand, nine hundred twenty-four".