424220122 has 8 divisors (see below), whose sum is σ = 636431796. Its totient is φ = 212076192.

The previous prime is 424220107. The next prime is 424220129. The reversal of 424220122 is 221022424.

It can be written as a sum of positive squares in 2 ways, for example, as 347114161 + 77105961 = 18631^2 + 8781^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 424220122.

It is not an unprimeable number, because it can be changed into a prime (424220129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3798 + ... + 29374.

Almost surely, 2^424220122 is an apocalyptic number.

424220122 is a deficient number, since it is larger than the sum of its proper divisors (212211674).

424220122 is a wasteful number, since it uses less digits than its factorization.

424220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33872.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 424220122 is about 20596.6046230926. The cubic root of 424220122 is about 751.3871348203.

Adding to 424220122 its reverse (221022424), we get a palindrome (645242546).

The spelling of 424220122 in words is "four hundred twenty-four million, two hundred twenty thousand, one hundred twenty-two".