444223430 has 32 divisors (see below), whose sum is σ = 967588416. Its totient is φ = 143345664.

The previous prime is 444223391. The next prime is 444223519. The reversal of 444223430 is 34322444.

It is a self number, because there is not a number n which added to its sum of digits gives 444223430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185459 + ... + 187838.

It is an arithmetic number, because the mean of its divisors is an integer number (30237138).

Almost surely, 2^444223430 is an apocalyptic number.

444223430 is an abundant number, since it is smaller than the sum of its proper divisors (523364986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444223430 is a wasteful number, since it uses less digits than its factorization.

444223430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373328.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 444223430 is about 21076.6085981592. The cubic root of 444223430 is about 763.0163082033.

Adding to 444223430 its reverse (34322444), we get a palindrome (478545874).

It can be divided in two parts, 4442 and 23430, that added together give a palindrome (27872).

The spelling of 444223430 in words is "four hundred forty-four million, two hundred twenty-three thousand, four hundred thirty".