222413421 has 8 divisors (see below), whose sum is σ = 301577760. Its totient is φ = 145762352.

The previous prime is 222413371. The next prime is 222413423. The reversal of 222413421 is 124314222.

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 222413421 - 2⁹ = 222412909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222413423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628110 + ... + 628463.

It is an arithmetic number, because the mean of its divisors is an integer number (37697220).

Almost surely, 2^222413421 is an apocalyptic number.

It is an amenable number.

222413421 is a deficient number, since it is larger than the sum of its proper divisors (79164339).

222413421 is a wasteful number, since it uses less digits than its factorization.

222413421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256635.

The product of its digits is 768, while the sum is 21.

The square root of 222413421 is about 14913.5314731287. The cubic root of 222413421 is about 605.8805300981.

Adding to 222413421 its reverse (124314222), we get a palindrome (346727643).

The spelling of 222413421 in words is "two hundred twenty-two million, four hundred thirteen thousand, four hundred twenty-one".