220459446 has 12 divisors (see below), whose sum is σ = 477662172. Its totient is φ = 73486476.

The previous prime is 220459403. The next prime is 220459457. The reversal of 220459446 is 644954022.

220459446 is a `hidden beast` number, since 2 + 20 + 4 + 594 + 46 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 220459446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6123856 + ... + 6123891.

It is an arithmetic number, because the mean of its divisors is an integer number (39805181).

Almost surely, 2^220459446 is an apocalyptic number.

220459446 is an abundant number, since it is smaller than the sum of its proper divisors (257202726).

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

220459446 is a wasteful number, since it uses less digits than its factorization.

220459446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12247755 (or 12247752 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 220459446 is about 14847.8768179158. The cubic root of 220459446 is about 604.1010221652.

The spelling of 220459446 in words is "two hundred twenty million, four hundred fifty-nine thousand, four hundred forty-six".