22233424021 has 8 divisors (see below), whose sum is σ = 22641147104. Its totient is φ = 21827095920.

The previous prime is 22233424001. The next prime is 22233424027. The reversal of 22233424021 is 12042433222.

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 22233424021 - 2³¹ = 20085940373 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 (22233424027) 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, 316551 + ... + 380356.

It is an arithmetic number, because the mean of its divisors is an integer number (2830143388).

Almost surely, 2^22233424021 is an apocalyptic number.

It is an amenable number.

22233424021 is a deficient number, since it is larger than the sum of its proper divisors (407723083).

22233424021 is an equidigital number, since it uses as much as digits as its factorization.

22233424021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697491.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22233424021 its reverse (12042433222), we get a palindrome (34275857243).

The spelling of 22233424021 in words is "twenty-two billion, two hundred thirty-three million, four hundred twenty-four thousand, twenty-one".