444213334 has 4 divisors (see below), whose sum is σ = 666320004. Its totient is φ = 222106666.

The previous prime is 444213323. The next prime is 444213337. The reversal of 444213334 is 433312444.

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

It is a super-2 number, since 2×444213334² = 394650972206791112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444213337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111053332 + ... + 111053335.

It is an arithmetic number, because the mean of its divisors is an integer number (166580001).

Almost surely, 2^444213334 is an apocalyptic number.

444213334 is a deficient number, since it is larger than the sum of its proper divisors (222106670).

444213334 is a wasteful number, since it uses less digits than its factorization.

444213334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222106669.

The product of its digits is 13824, while the sum is 28.

The square root of 444213334 is about 21076.3690895752. The cubic root of 444213334 is about 763.0105277255.

Adding to 444213334 its reverse (433312444), we get a palindrome (877525778).

The spelling of 444213334 in words is "four hundred forty-four million, two hundred thirteen thousand, three hundred thirty-four".