230222143421 has 4 divisors (see below), whose sum is σ = 230236345500. Its totient is φ = 230207941344.

The previous prime is 230222143409. The next prime is 230222143447. The reversal of 230222143421 is 124341222032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 213084715321 + 17137428100 = 461611^2 + 130910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230222143421 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 (230222143121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7076696 + ... + 7109153.

It is an arithmetic number, because the mean of its divisors is an integer number (57559086375).

Almost surely, 2^230222143421 is an apocalyptic number.

It is an amenable number.

230222143421 is a deficient number, since it is larger than the sum of its proper divisors (14202079).

230222143421 is a wasteful number, since it uses less digits than its factorization.

230222143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14202078.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 230222143421 its reverse (124341222032), we get a palindrome (354563365453).

The spelling of 230222143421 in words is "two hundred thirty billion, two hundred twenty-two million, one hundred forty-three thousand, four hundred twenty-one".