520222229 has 8 divisors (see below), whose sum is σ = 525592320. Its totient is φ = 514863216.

The previous prime is 520222207. The next prime is 520222231. The reversal of 520222229 is 922222025.

It is a happy number.

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 520222229 - 2⁸ = 520221973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520222198 and 520222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520272229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118064 + ... + 122390.

It is an arithmetic number, because the mean of its divisors is an integer number (65699040).

Almost surely, 2^520222229 is an apocalyptic number.

It is an amenable number.

520222229 is a deficient number, since it is larger than the sum of its proper divisors (5370091).

520222229 is a wasteful number, since it uses less digits than its factorization.

520222229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 520222229 is about 22808.3806746555. The cubic root of 520222229 is about 804.2596894881.

The spelling of 520222229 in words is "five hundred twenty million, two hundred twenty-two thousand, two hundred twenty-nine".