22313032021 has 16 divisors (see below), whose sum is σ = 26772609024. Its totient is φ = 18181660464.

The previous prime is 22313032019. The next prime is 22313032051. The reversal of 22313032021 is 12023031322.

It is a cyclic number.

It is not a de Polignac number, because 22313032021 - 2¹ = 22313032019 is a prime.

It is a super-3 number, since 3×22313032021³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22313032021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313032051) 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, 398881 + ... + 451366.

It is an arithmetic number, because the mean of its divisors is an integer number (1673288064).

Almost surely, 2^22313032021 is an apocalyptic number.

It is an amenable number.

22313032021 is a deficient number, since it is larger than the sum of its proper divisors (4459577003).

22313032021 is a wasteful number, since it uses less digits than its factorization.

22313032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850440.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22313032021 its reverse (12023031322), we get a palindrome (34336063343).

The spelling of 22313032021 in words is "twenty-two billion, three hundred thirteen million, thirty-two thousand, twenty-one".