421044220224 has 126 divisors (see below), whose sum is σ = 1282014698094. Its totient is φ = 132092252160.

The previous prime is 421044220217. The next prime is 421044220237. The reversal of 421044220224 is 422022440124.

421044220224 is a `hidden beast` number, since 4 + 2 + 10 + 4 + 422 + 0 + 224 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 282981441600 + 138062778624 = 531960^2 + 371568^2 .

It is a super-2 number, since 2×421044220224² (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 17 ways as a sum of consecutive naturals, for example, 1098207 + ... + 1431134.

Almost surely, 2^421044220224 is an apocalyptic number.

It is an amenable number.

421044220224 is an abundant number, since it is smaller than the sum of its proper divisors (860970477870).

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

421044220224 is a wasteful number, since it uses less digits than its factorization.

421044220224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529393 (or 2529363 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 421044220224 its reverse (422022440124), we get a palindrome (843066660348).

The spelling of 421044220224 in words is "four hundred twenty-one billion, forty-four million, two hundred twenty thousand, two hundred twenty-four".