220434229427 has 2 divisors, whose sum is σ = 220434229428. Its totient is φ = 220434229426.

The previous prime is 220434229417. The next prime is 220434229489. The reversal of 220434229427 is 724922434022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220434229427 is a prime.

It is a super-4 number, since 4×220434229427⁴ (a number of 46 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (220434229417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110217114713 + 110217114714.

It is an arithmetic number, because the mean of its divisors is an integer number (110217114714).

Almost surely, 2^220434229427 is an apocalyptic number.

220434229427 is a deficient number, since it is larger than the sum of its proper divisors (1).

220434229427 is an equidigital number, since it uses as much as digits as its factorization.

220434229427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 220434229427 in words is "two hundred twenty billion, four hundred thirty-four million, two hundred twenty-nine thousand, four hundred twenty-seven".