22021003023 has 8 divisors (see below), whose sum is σ = 31088474928. Its totient is φ = 13817099904.

The previous prime is 22021003009. The next prime is 22021003027. The reversal of 22021003023 is 32030012022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22021003023 - 2¹² = 22020998927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22021002993 and 22021003011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021003027) 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 7 ways as a sum of consecutive naturals, for example, 215892136 + ... + 215892237.

It is an arithmetic number, because the mean of its divisors is an integer number (3886059366).

Almost surely, 2^22021003023 is an apocalyptic number.

22021003023 is a deficient number, since it is larger than the sum of its proper divisors (9067471905).

22021003023 is a wasteful number, since it uses less digits than its factorization.

22021003023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431784393.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22021003023 its reverse (32030012022), we get a palindrome (54051015045).

The spelling of 22021003023 in words is "twenty-two billion, twenty-one million, three thousand, twenty-three".