221423143330 has 8 divisors (see below), whose sum is σ = 398561658012. Its totient is φ = 88569257328.

The previous prime is 221423143327. The next prime is 221423143363. The reversal of 221423143330 is 33341324122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 215666431201 + 5756712129 = 464399^2 + 75873^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11071157157 + ... + 11071157176.

Almost surely, 2^221423143330 is an apocalyptic number.

221423143330 is a deficient number, since it is larger than the sum of its proper divisors (177138514682).

221423143330 is a wasteful number, since it uses less digits than its factorization.

221423143330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22142314340.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 221423143330 its reverse (33341324122), we get a palindrome (254764467452).

The spelling of 221423143330 in words is "two hundred twenty-one billion, four hundred twenty-three million, one hundred forty-three thousand, three hundred thirty".