22310043021 has 24 divisors (see below), whose sum is σ = 36851131200. Its totient is φ = 12741031296.

The previous prime is 22310043013. The next prime is 22310043023. The reversal of 22310043021 is 12034001322.

22310043021 is a `hidden beast` number, since 2 + 231 + 0 + 0 + 430 + 2 + 1 = 666.

It is not a de Polignac number, because 22310043021 - 2³ = 22310043013 is a prime.

It is a super-3 number, since 3×22310043021³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22310042985 and 22310043003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22310043023) 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 23 ways as a sum of consecutive naturals, for example, 2821 + ... + 211253.

It is an arithmetic number, because the mean of its divisors is an integer number (1535463800).

Almost surely, 2^22310043021 is an apocalyptic number.

22310043021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22310043021 is a deficient number, since it is larger than the sum of its proper divisors (14541088179).

22310043021 is a wasteful number, since it uses less digits than its factorization.

22310043021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210145 (or 210142 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22310043021 its reverse (12034001322), we get a palindrome (34344044343).

The spelling of 22310043021 in words is "twenty-two billion, three hundred ten million, forty-three thousand, twenty-one".