222130501 has 4 divisors (see below), whose sum is σ = 233821600. Its totient is φ = 210439404.

The previous prime is 222130453. The next prime is 222130547. The reversal of 222130501 is 105031222.

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 222130501 - 2⁷ = 222130373 is a prime.

It is a super-2 number, since 2×222130501² = 98683918949022002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222130591) 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, 5845521 + ... + 5845558.

It is an arithmetic number, because the mean of its divisors is an integer number (58455400).

Almost surely, 2^222130501 is an apocalyptic number.

It is an amenable number.

222130501 is a deficient number, since it is larger than the sum of its proper divisors (11691099).

222130501 is a wasteful number, since it uses less digits than its factorization.

222130501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11691098.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 222130501 is about 14904.0431091701. The cubic root of 222130501 is about 605.6235185486.

Adding to 222130501 its reverse (105031222), we get a palindrome (327161723).

The spelling of 222130501 in words is "two hundred twenty-two million, one hundred thirty thousand, five hundred one".