22233231421 has 8 divisors (see below), whose sum is σ = 22486334400. Its totient is φ = 21980201760.

The previous prime is 22233231413. The next prime is 22233231443. The reversal of 22233231421 is 12413233222.

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 22233231421 - 2³ = 22233231413 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 (22233232421) 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, 795360 + ... + 822838.

It is an arithmetic number, because the mean of its divisors is an integer number (2810791800).

Almost surely, 2^22233231421 is an apocalyptic number.

It is an amenable number.

22233231421 is a deficient number, since it is larger than the sum of its proper divisors (253102979).

22233231421 is an equidigital number, since it uses as much as digits as its factorization.

22233231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36659.

The product of its digits is 3456, while the sum is 25.

Adding to 22233231421 its reverse (12413233222), we get a palindrome (34646464643).

The spelling of 22233231421 in words is "twenty-two billion, two hundred thirty-three million, two hundred thirty-one thousand, four hundred twenty-one".