222513005 has 48 divisors (see below), whose sum is σ = 324445824. Its totient is φ = 145117440.

The previous prime is 222513001. The next prime is 222513037. The reversal of 222513005 is 500315222.

It is not a de Polignac number, because 222513005 - 2² = 222513001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222513001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 343592 + ... + 344238.

It is an arithmetic number, because the mean of its divisors is an integer number (6759288).

Almost surely, 2^222513005 is an apocalyptic number.

It is an amenable number.

222513005 is a deficient number, since it is larger than the sum of its proper divisors (101932819).

222513005 is a wasteful number, since it uses less digits than its factorization.

222513005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 222513005 is about 14916.8698123970. The cubic root of 222513005 is about 605.9709428134.

Adding to 222513005 its reverse (500315222), we get a palindrome (722828227).

The spelling of 222513005 in words is "two hundred twenty-two million, five hundred thirteen thousand, five".