22432023021 has 8 divisors (see below), whose sum is σ = 29912572480. Its totient is φ = 14953077792.

The previous prime is 22432023013. The next prime is 22432023023. The reversal of 22432023021 is 12032023422.

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

It is not a de Polignac number, because 22432023021 - 2³ = 22432023013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22432023023) 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, 368041 + ... + 424638.

It is an arithmetic number, because the mean of its divisors is an integer number (3739071560).

Almost surely, 2^22432023021 is an apocalyptic number.

It is an amenable number.

22432023021 is a deficient number, since it is larger than the sum of its proper divisors (7480549459).

22432023021 is an equidigital number, since it uses as much as digits as its factorization.

22432023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802115.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22432023021 its reverse (12032023422), we get a palindrome (34464046443).

The spelling of 22432023021 in words is "twenty-two billion, four hundred thirty-two million, twenty-three thousand, twenty-one".