222020513 has 16 divisors (see below), whose sum is σ = 264739776. Its totient is φ = 183522240.

The previous prime is 222020509. The next prime is 222020531. The reversal of 222020513 is 315020222.

It is not a de Polignac number, because 222020513 - 2² = 222020509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222020491 and 222020500.

It is not an unprimeable number, because it can be changed into a prime (222020563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2006 + ... + 21167.

It is an arithmetic number, because the mean of its divisors is an integer number (16546236).

Almost surely, 2^222020513 is an apocalyptic number.

It is an amenable number.

222020513 is a deficient number, since it is larger than the sum of its proper divisors (42719263).

222020513 is a wasteful number, since it uses less digits than its factorization.

222020513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23264.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 222020513 is about 14900.3527810586. The cubic root of 222020513 is about 605.5235438093.

Adding to 222020513 its reverse (315020222), we get a palindrome (537040735).

The spelling of 222020513 in words is "two hundred twenty-two million, twenty thousand, five hundred thirteen".