334221401 has 4 divisors (see below), whose sum is σ = 334258404. Its totient is φ = 334184400.

The previous prime is 334221397. The next prime is 334221403. The reversal of 334221401 is 104122433.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 331968400 + 2253001 = 18220^2 + 1501^2 .

It is a cyclic number.

It is not a de Polignac number, because 334221401 - 2² = 334221397 is a prime.

It is a super-2 number, since 2×334221401² = 223407889772805602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334221403) 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, 4991 + ... + 26331.

It is an arithmetic number, because the mean of its divisors is an integer number (83564601).

Almost surely, 2^334221401 is an apocalyptic number.

It is an amenable number.

334221401 is a deficient number, since it is larger than the sum of its proper divisors (37003).

334221401 is a wasteful number, since it uses less digits than its factorization.

334221401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37002.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 334221401 is about 18281.7231408858. The cubic root of 334221401 is about 693.9764800584.

Adding to 334221401 its reverse (104122433), we get a palindrome (438343834).

The spelling of 334221401 in words is "three hundred thirty-four million, two hundred twenty-one thousand, four hundred one".