222213341421 has 24 divisors (see below), whose sum is σ = 335531738880. Its totient is φ = 141446786976.

The previous prime is 222213341407. The next prime is 222213341423. The reversal of 222213341421 is 124143312222.

222213341421 is a `hidden beast` number, since 2 + 2 + 221 + 3 + 3 + 414 + 21 = 666.

It is not a de Polignac number, because 222213341421 - 2¹⁰ = 222213340397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222213341423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 848341 + ... + 1078938.

It is an arithmetic number, because the mean of its divisors is an integer number (13980489120).

Almost surely, 2^222213341421 is an apocalyptic number.

It is an amenable number.

222213341421 is a deficient number, since it is larger than the sum of its proper divisors (113318397459).

222213341421 is a wasteful number, since it uses less digits than its factorization.

222213341421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927865 (or 1927862 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 222213341421 its reverse (124143312222), we get a palindrome (346356653643).

The spelling of 222213341421 in words is "two hundred twenty-two billion, two hundred thirteen million, three hundred forty-one thousand, four hundred twenty-one".