412224021 has 12 divisors (see below), whose sum is σ = 649565280. Its totient is φ = 249832680.

The previous prime is 412224017. The next prime is 412224023. The reversal of 412224021 is 120422214.

412224021 is a `hidden beast` number, since 41 + 222 + 402 + 1 = 666.

It is not a de Polignac number, because 412224021 - 2² = 412224017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 412223985 and 412224003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412224023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2081841 + ... + 2082038.

It is an arithmetic number, because the mean of its divisors is an integer number (54130440).

Almost surely, 2^412224021 is an apocalyptic number.

It is an amenable number.

412224021 is a deficient number, since it is larger than the sum of its proper divisors (237341259).

412224021 is a wasteful number, since it uses less digits than its factorization.

412224021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163896 (or 4163893 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 412224021 is about 20303.3007415051. The cubic root of 412224021 is about 744.2367276958.

Adding to 412224021 its reverse (120422214), we get a palindrome (532646235).

The spelling of 412224021 in words is "four hundred twelve million, two hundred twenty-four thousand, twenty-one".