220846406 has 16 divisors (see below), whose sum is σ = 362629008. Its totient is φ = 100039200.

The previous prime is 220846403. The next prime is 220846411. The reversal of 220846406 is 604648022.

It is a happy number.

220846406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220846403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10685 + ... + 23576.

It is an arithmetic number, because the mean of its divisors is an integer number (22664313).

Almost surely, 2^220846406 is an apocalyptic number.

220846406 is a deficient number, since it is larger than the sum of its proper divisors (141782602).

220846406 is a wasteful number, since it uses less digits than its factorization.

220846406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34567.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 220846406 is about 14860.9019241767. The cubic root of 220846406 is about 604.4542636928.

The spelling of 220846406 in words is "two hundred twenty million, eight hundred forty-six thousand, four hundred six".