220002422 has 4 divisors (see below), whose sum is σ = 330003636. Its totient is φ = 110001210.

The previous prime is 220002421. The next prime is 220002427. The reversal of 220002422 is 224200022.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 220002397 and 220002406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000604 + ... + 55000607.

It is an arithmetic number, because the mean of its divisors is an integer number (82500909).

Almost surely, 2^220002422 is an apocalyptic number.

220002422 is a deficient number, since it is larger than the sum of its proper divisors (110001214).

220002422 is a wasteful number, since it uses less digits than its factorization.

220002422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110001213.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 220002422 is about 14832.4786195700. The cubic root of 220002422 is about 603.6832889982.

Adding to 220002422 its reverse (224200022), we get a palindrome (444202444).

The spelling of 220002422 in words is "two hundred twenty million, two thousand, four hundred twenty-two".