444122420 has 24 divisors (see below), whose sum is σ = 1065894144. Its totient is φ = 152270496.

The previous prime is 444122417. The next prime is 444122423. The reversal of 444122420 is 24221444.

It is an interprime number because it is at equal distance from previous prime (444122417) and next prime (444122423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444122423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586012 + ... + 1586291.

It is an arithmetic number, because the mean of its divisors is an integer number (44412256).

Almost surely, 2^444122420 is an apocalyptic number.

It is an amenable number.

444122420 is an abundant number, since it is smaller than the sum of its proper divisors (621771724).

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

444122420 is a wasteful number, since it uses less digits than its factorization.

444122420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172319 (or 3172317 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 444122420 is about 21074.2122035439. The cubic root of 444122420 is about 762.9584708520.

Adding to 444122420 its reverse (24221444), we get a palindrome (468343864).

The spelling of 444122420 in words is "four hundred forty-four million, one hundred twenty-two thousand, four hundred twenty".