222120413 has 4 divisors (see below), whose sum is σ = 227286048. Its totient is φ = 216954780.

The previous prime is 222120401. The next prime is 222120473. The reversal of 222120413 is 314021222.

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 not a de Polignac number, because 222120413 - 2²² = 217926109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222120391 and 222120400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582753 + ... + 2582838.

It is an arithmetic number, because the mean of its divisors is an integer number (56821512).

Almost surely, 2^222120413 is an apocalyptic number.

It is an amenable number.

222120413 is a deficient number, since it is larger than the sum of its proper divisors (5165635).

222120413 is an equidigital number, since it uses as much as digits as its factorization.

222120413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165634.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 222120413 is about 14903.7046736709. The cubic root of 222120413 is about 605.6143503307.

Adding to 222120413 its reverse (314021222), we get a palindrome (536141635).

The spelling of 222120413 in words is "two hundred twenty-two million, one hundred twenty thousand, four hundred thirteen".