424244400220 has 12 divisors (see below), whose sum is σ = 890913240504. Its totient is φ = 169697760080.

The previous prime is 424244400149. The next prime is 424244400233. The reversal of 424244400220 is 22004442424.

It is a super-2 number, since 2×424244400220² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10606109986 + ... + 10606110025.

It is an arithmetic number, because the mean of its divisors is an integer number (74242770042).

Almost surely, 2^424244400220 is an apocalyptic number.

It is an amenable number.

424244400220 is an abundant number, since it is smaller than the sum of its proper divisors (466668840284).

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

424244400220 is a wasteful number, since it uses less digits than its factorization.

424244400220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21212220020 (or 21212220018 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 424244400220 its reverse (22004442424), we get a palindrome (446248842644).

It can be divided in two parts, 424244 and 400220, that added together give a square (824464 = 908²).

The spelling of 424244400220 in words is "four hundred twenty-four billion, two hundred forty-four million, four hundred thousand, two hundred twenty".