220372829 has 2 divisors, whose sum is σ = 220372830. Its totient is φ = 220372828.

The previous prime is 220372793. The next prime is 220372843. The reversal of 220372829 is 928273022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219839929 + 532900 = 14827^2 + 730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220372829 is a prime.

It is a super-2 number, since 2×220372829² = 97128367522926482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220372879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110186414 + 110186415.

It is an arithmetic number, because the mean of its divisors is an integer number (110186415).

Almost surely, 2^220372829 is an apocalyptic number.

It is an amenable number.

220372829 is a deficient number, since it is larger than the sum of its proper divisors (1).

220372829 is an equidigital number, since it uses as much as digits as its factorization.

220372829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 220372829 is about 14844.9597170218. The cubic root of 220372829 is about 604.0218960894.

The spelling of 220372829 in words is "two hundred twenty million, three hundred seventy-two thousand, eight hundred twenty-nine".