220232208 has 40 divisors (see below), whose sum is σ = 650210368. Its totient is φ = 62923392.

The previous prime is 220232203. The next prime is 220232209. The reversal of 220232208 is 802232022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (220232203) 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, 327391 + ... + 328062.

Almost surely, 2^220232208 is an apocalyptic number.

220232208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

220232208 is an abundant number, since it is smaller than the sum of its proper divisors (429978160).

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

220232208 is a wasteful number, since it uses less digits than its factorization.

220232208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655471 (or 655465 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 220232208 is about 14840.2226398393. Note that the first 3 decimals coincide. The cubic root of 220232208 is about 603.8933922922.

The spelling of 220232208 in words is "two hundred twenty million, two hundred thirty-two thousand, two hundred eight".