220544434 has 32 divisors (see below), whose sum is σ = 383216832. Its totient is φ = 94080000.

The previous prime is 220544431. The next prime is 220544437. The reversal of 220544434 is 434445022.

220544434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220544431) and next prime (220544437).

It is not an unprimeable number, because it can be changed into a prime (220544431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183034 + ... + 184234.

It is an arithmetic number, because the mean of its divisors is an integer number (11975526).

Almost surely, 2^220544434 is an apocalyptic number.

220544434 is a deficient number, since it is larger than the sum of its proper divisors (162672398).

220544434 is a wasteful number, since it uses less digits than its factorization.

220544434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 220544434 is about 14850.7385001555. The cubic root of 220544434 is about 604.1786399804.

Adding to 220544434 its reverse (434445022), we get a palindrome (654989456).

The spelling of 220544434 in words is "two hundred twenty million, five hundred forty-four thousand, four hundred thirty-four".