21622023511633 has 16 divisors (see below), whose sum is σ = 22666725123840. Its totient is φ = 20603785148800.

The previous prime is 21622023511579. The next prime is 21622023511639. The reversal of 21622023511633 is 33611532022612.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21622023511633 is a prime.

It is a super-2 number, since 2×21622023511633² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21622023511592 and 21622023511601.

It is not an unprimeable number, because it can be changed into a prime (21622023511639) 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, 10480078 + ... + 12372391.

It is an arithmetic number, because the mean of its divisors is an integer number (1416670320240).

Almost surely, 2^{21622023511633} is an apocalyptic number.

It is an amenable number.

21622023511633 is a deficient number, since it is larger than the sum of its proper divisors (1044701612207).

21622023511633 is a wasteful number, since it uses less digits than its factorization.

21622023511633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22853048.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 21622023511633 in words is "twenty-one trillion, six hundred twenty-two billion, twenty-three million, five hundred eleven thousand, six hundred thirty-three".