222030405 has 24 divisors (see below), whose sum is σ = 388597248. Its totient is φ = 117264096.

The previous prime is 222030383. The next prime is 222030407. The reversal of 222030405 is 504030222.

It is not a de Polignac number, because 222030405 - 2¹⁵ = 221997637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222030407) 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, 19317 + ... + 28586.

It is an arithmetic number, because the mean of its divisors is an integer number (16191552).

Almost surely, 2^222030405 is an apocalyptic number.

It is an amenable number.

222030405 is a deficient number, since it is larger than the sum of its proper divisors (166566843).

222030405 is a wasteful number, since it uses less digits than its factorization.

222030405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48017 (or 48014 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 222030405 is about 14900.6847158109. The cubic root of 222030405 is about 605.5325365969.

Adding to 222030405 its reverse (504030222), we get a palindrome (726060627).

The spelling of 222030405 in words is "two hundred twenty-two million, thirty thousand, four hundred five".