22232233021 has 8 divisors (see below), whose sum is σ = 24563490624. Its totient is φ = 20014695360.

The previous prime is 22232233003. The next prime is 22232233033. The reversal of 22232233021 is 12033223222.

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

It is a cyclic number.

It is not a de Polignac number, because 22232233021 - 2²⁵ = 22198678589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22232232983 and 22232233001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232233081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28429575 + ... + 28430356.

It is an arithmetic number, because the mean of its divisors is an integer number (3070436328).

Almost surely, 2^22232233021 is an apocalyptic number.

It is an amenable number.

22232233021 is a deficient number, since it is larger than the sum of its proper divisors (2331257603).

22232233021 is a wasteful number, since it uses less digits than its factorization.

22232233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56859971.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22232233021 its reverse (12033223222), we get a palindrome (34265456243).

The spelling of 22232233021 in words is "twenty-two billion, two hundred thirty-two million, two hundred thirty-three thousand, twenty-one".