220885470 has 48 divisors (see below), whose sum is σ = 618482592. Its totient is φ = 54371520.

The previous prime is 220885433. The next prime is 220885499. The reversal of 220885470 is 74588022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93226 + ... + 95565.

It is an arithmetic number, because the mean of its divisors is an integer number (12885054).

Almost surely, 2^220885470 is an apocalyptic number.

220885470 is an abundant number, since it is smaller than the sum of its proper divisors (397597122).

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

220885470 is a wasteful number, since it uses less digits than its factorization.

220885470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188817 (or 188814 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 220885470 is about 14862.2161873659. The cubic root of 220885470 is about 604.4899008425.

It can be divided in two parts, 2208 and 85470, that added together give a palindrome (87678).

The spelling of 220885470 in words is "two hundred twenty million, eight hundred eighty-five thousand, four hundred seventy".