222180013 has 4 divisors (see below), whose sum is σ = 242378208. Its totient is φ = 201981820.

The previous prime is 222180001. The next prime is 222180047. The reversal of 222180013 is 310081222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222180013 - 2⁵ = 222179981 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 (222180083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10099081 + ... + 10099102.

It is an arithmetic number, because the mean of its divisors is an integer number (60594552).

Almost surely, 2^222180013 is an apocalyptic number.

It is an amenable number.

222180013 is a deficient number, since it is larger than the sum of its proper divisors (20198195).

222180013 is a wasteful number, since it uses less digits than its factorization.

222180013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20198194.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 222180013 is about 14905.7040424128. The cubic root of 222180013 is about 605.6685122256.

The spelling of 222180013 in words is "two hundred twenty-two million, one hundred eighty thousand, thirteen".