63820229 has 12 divisors (see below), whose sum is σ = 70764480. Its totient is φ = 57072600.

The previous prime is 63820223. The next prime is 63820243. The reversal of 63820229 is 92202836.

It is a de Polignac number, because none of the positive numbers 2^k-63820229 is a prime.

It is a super-2 number, since 2×63820229² = 8146043259224882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63820195 and 63820204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63820223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235364 + ... + 235634.

It is an arithmetic number, because the mean of its divisors is an integer number (5897040).

Almost surely, 2^63820229 is an apocalyptic number.

It is an amenable number.

63820229 is a deficient number, since it is larger than the sum of its proper divisors (6944251).

63820229 is an equidigital number, since it uses as much as digits as its factorization.

63820229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 63820229 is about 7988.7564113572. The cubic root of 63820229 is about 399.6251258665.

The spelling of 63820229 in words is "sixty-three million, eight hundred twenty thousand, two hundred twenty-nine".