418224561 has 16 divisors (see below), whose sum is σ = 587946240. Its totient is φ = 263707920.

The previous prime is 418224553. The next prime is 418224623. The reversal of 418224561 is 165422814.

It is a happy number.

It is not a de Polignac number, because 418224561 - 2³ = 418224553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (418224511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30946 + ... + 42356.

It is an arithmetic number, because the mean of its divisors is an integer number (36746640).

Almost surely, 2^418224561 is an apocalyptic number.

It is an amenable number.

418224561 is a deficient number, since it is larger than the sum of its proper divisors (169721679).

418224561 is a wasteful number, since it uses less digits than its factorization.

418224561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12076.

The product of its digits is 15360, while the sum is 33.

The square root of 418224561 is about 20450.5393816398. The cubic root of 418224561 is about 747.8305073421.

The spelling of 418224561 in words is "four hundred eighteen million, two hundred twenty-four thousand, five hundred sixty-one".