620226829 has 8 divisors (see below), whose sum is σ = 637527672. Its totient is φ = 603133440.

The previous prime is 620226779. The next prime is 620226863. The reversal of 620226829 is 928622026.

It can be written as a sum of positive squares in 4 ways, for example, as 3697929 + 616528900 = 1923^2 + 24830^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620226829 - 2⁷ = 620226701 is a prime.

It is a super-2 number, since 2×620226829² = 769362638822790482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620226029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45792 + ... + 57769.

It is an arithmetic number, because the mean of its divisors is an integer number (79690959).

Almost surely, 2^620226829 is an apocalyptic number.

It is an amenable number.

620226829 is a deficient number, since it is larger than the sum of its proper divisors (17300843).

620226829 is a wasteful number, since it uses less digits than its factorization.

620226829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103727.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 620226829 is about 24904.3536153822. The cubic root of 620226829 is about 852.8058735627.

It can be divided in two parts, 620226 and 829, that added together give a triangular number (621055 = T₁₁₁₄).

The spelling of 620226829 in words is "six hundred twenty million, two hundred twenty-six thousand, eight hundred twenty-nine".