220232000 has 56 divisors (see below), whose sum is σ = 545424360. Its totient is φ = 88089600.

The previous prime is 220231997. The next prime is 220232009. The reversal of 220232000 is 232022.

It can be written as a sum of positive squares in 4 ways, for example, as 17909824 + 202322176 = 4232^2 + 14224^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220232009) 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, 5765 + ... + 21764.

Almost surely, 2^220232000 is an apocalyptic number.

220232000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220232000 is an abundant number, since it is smaller than the sum of its proper divisors (325192360).

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

220232000 is an equidigital number, since it uses as much as digits as its factorization.

220232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27556 (or 27536 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 220232000 is about 14840.2156318566. The cubic root of 220232000 is about 603.8932021749.

Adding to 220232000 its reverse (232022), we get a palindrome (220464022).

The spelling of 220232000 in words is "two hundred twenty million, two hundred thirty-two thousand".