22023535530 has 128 divisors (see below), whose sum is σ = 59333990400. Its totient is φ = 5204459520.

The previous prime is 22023535481. The next prime is 22023535559. The reversal of 22023535530 is 3553532022.

It is a super-2 number, since 2×22023535530² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 566146 + ... + 603794.

It is an arithmetic number, because the mean of its divisors is an integer number (463546800).

Almost surely, 2^22023535530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22023535530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29666995200).

22023535530 is an abundant number, since it is smaller than the sum of its proper divisors (37310454870).

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

22023535530 is a wasteful number, since it uses less digits than its factorization.

22023535530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37744.

The product of its (nonzero) digits is 27000, while the sum is 30.

The spelling of 22023535530 in words is "twenty-two billion, twenty-three million, five hundred thirty-five thousand, five hundred thirty".