220438610 has 16 divisors (see below), whose sum is σ = 453473856. Its totient is φ = 75578928.

The previous prime is 220438583. The next prime is 220438619. The reversal of 220438610 is 16834022.

It is a self number, because there is not a number n which added to its sum of digits gives 220438610.

It is not an unprimeable number, because it can be changed into a prime (220438619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1574492 + ... + 1574631.

It is an arithmetic number, because the mean of its divisors is an integer number (28342116).

Almost surely, 2^220438610 is an apocalyptic number.

220438610 is an abundant number, since it is smaller than the sum of its proper divisors (233035246).

220438610 is a wasteful number, since it uses less digits than its factorization.

220438610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149137.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 220438610 is about 14847.1751521965. The cubic root of 220438610 is about 604.0819900247.

The spelling of 220438610 in words is "two hundred twenty million, four hundred thirty-eight thousand, six hundred ten".