424220244 has 216 divisors, whose sum is σ = 1293449472. Its totient is φ = 107412480.

The previous prime is 424220189. The next prime is 424220249. The reversal of 424220244 is 442022424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424220249) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11465394 + ... + 11465430.

It is an arithmetic number, because the mean of its divisors is an integer number (5988192).

Almost surely, 2^424220244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424220244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646724736).

424220244 is an abundant number, since it is smaller than the sum of its proper divisors (869229228).

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

424220244 is a wasteful number, since it uses less digits than its factorization.

424220244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 424220244 is about 20596.6075847456. The cubic root of 424220244 is about 751.3872068499.

Adding to 424220244 its reverse (442022424), we get a palindrome (866242668).

The spelling of 424220244 in words is "four hundred twenty-four million, two hundred twenty thousand, two hundred forty-four".