220432998 has 16 divisors (see below), whose sum is σ = 441347760. Its totient is φ = 73397376.

The previous prime is 220432997. The next prime is 220433021. The reversal of 220432998 is 899234022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220432991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13983 + ... + 25226.

It is an arithmetic number, because the mean of its divisors is an integer number (27584235).

Almost surely, 2^220432998 is an apocalyptic number.

220432998 is an abundant number, since it is smaller than the sum of its proper divisors (220914762).

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

220432998 is a wasteful number, since it uses less digits than its factorization.

220432998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40151.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 220432998 is about 14846.9861588135. The cubic root of 220432998 is about 604.0768636739.

The spelling of 220432998 in words is "two hundred twenty million, four hundred thirty-two thousand, nine hundred ninety-eight".