424204224220 has 96 divisors (see below), whose sum is σ = 1088053005312. Its totient is φ = 135606678528.

The previous prime is 424204224209. The next prime is 424204224251. The reversal of 424204224220 is 22422402424.

It is a super-3 number, since 3×424204224220³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578224 + ... + 1087543.

It is an arithmetic number, because the mean of its divisors is an integer number (11333885472).

Almost surely, 2^424204224220 is an apocalyptic number.

It is an amenable number.

424204224220 is an abundant number, since it is smaller than the sum of its proper divisors (663848781092).

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

424204224220 is a wasteful number, since it uses less digits than its factorization.

424204224220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665907 (or 1665905 counting only the distinct ones).

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

Adding to 424204224220 its reverse (22422402424), we get a palindrome (446626626644).

The spelling of 424204224220 in words is "four hundred twenty-four billion, two hundred four million, two hundred twenty-four thousand, two hundred twenty".