444223212031 has 4 divisors (see below), whose sum is σ = 463537264752. Its totient is φ = 424909159312.

The previous prime is 444223212019. The next prime is 444223212091. The reversal of 444223212031 is 130212322444.

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

It is a cyclic number.

It is not a de Polignac number, because 444223212031 - 2²¹ = 444221114879 is a prime.

It is a super-2 number, since 2×444223212031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444223212001) 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, 9657026326 + ... + 9657026371.

It is an arithmetic number, because the mean of its divisors is an integer number (115884316188).

Almost surely, 2^444223212031 is an apocalyptic number.

444223212031 is a deficient number, since it is larger than the sum of its proper divisors (19314052721).

444223212031 is a wasteful number, since it uses less digits than its factorization.

444223212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19314052720.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 444223212031 its reverse (130212322444), we get a palindrome (574435534475).

The spelling of 444223212031 in words is "four hundred forty-four billion, two hundred twenty-three million, two hundred twelve thousand, thirty-one".