222631013 has 8 divisors (see below), whose sum is σ = 246987360. Its totient is φ = 198960880.

The previous prime is 222630977. The next prime is 222631021. The reversal of 222631013 is 310136222.

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 222631013 - 2⁶ = 222630949 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 (222631033) 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, 170870 + ... + 172167.

It is an arithmetic number, because the mean of its divisors is an integer number (30873420).

Almost surely, 2^222631013 is an apocalyptic number.

It is an amenable number.

222631013 is a deficient number, since it is larger than the sum of its proper divisors (24356347).

222631013 is a wasteful number, since it uses less digits than its factorization.

222631013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343107.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 222631013 is about 14920.8248096411. The cubic root of 222631013 is about 606.0780478359.

Adding to 222631013 its reverse (310136222), we get a palindrome (532767235).

The spelling of 222631013 in words is "two hundred twenty-two million, six hundred thirty-one thousand, thirteen".