220634472 has 16 divisors (see below), whose sum is σ = 551586240. Its totient is φ = 73544816.

The previous prime is 220634461. The next prime is 220634473. The reversal of 220634472 is 274436022.

220634472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220634473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4596528 + ... + 4596575.

It is an arithmetic number, because the mean of its divisors is an integer number (34474140).

Almost surely, 2^220634472 is an apocalyptic number.

It is an amenable number.

220634472 is an abundant number, since it is smaller than the sum of its proper divisors (330951768).

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

220634472 is a wasteful number, since it uses less digits than its factorization.

220634472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9193112 (or 9193108 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 220634472 is about 14853.7696225571. The cubic root of 220634472 is about 604.2608481085.

The spelling of 220634472 in words is "two hundred twenty million, six hundred thirty-four thousand, four hundred seventy-two".