222003043421 has 8 divisors (see below), whose sum is σ = 224050743840. Its totient is φ = 219955542768.

The previous prime is 222003043399. The next prime is 222003043501. The reversal of 222003043421 is 124340300222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222003043421 is a prime.

It is a super-2 number, since 2×222003043421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222003043021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3084770 + ... + 3155916.

It is an arithmetic number, because the mean of its divisors is an integer number (28006342980).

Almost surely, 2^222003043421 is an apocalyptic number.

It is an amenable number.

222003043421 is a deficient number, since it is larger than the sum of its proper divisors (2047700419).

222003043421 is a wasteful number, since it uses less digits than its factorization.

222003043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99883.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 222003043421 its reverse (124340300222), we get a palindrome (346343343643).

The spelling of 222003043421 in words is "two hundred twenty-two billion, three million, forty-three thousand, four hundred twenty-one".