424400122 has 4 divisors (see below), whose sum is σ = 636600186. Its totient is φ = 212200060.

The previous prime is 424400113. The next prime is 424400159. The reversal of 424400122 is 221004424.

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

It can be written as a sum of positive squares in only one way, i.e., 405659881 + 18740241 = 20141^2 + 4329^2 .

It is a super-2 number, since 2×424400122² = 360230927107229768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 424400122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100029 + ... + 106100032.

Almost surely, 2^424400122 is an apocalyptic number.

424400122 is a deficient number, since it is larger than the sum of its proper divisors (212200064).

424400122 is a wasteful number, since it uses less digits than its factorization.

424400122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212200063.

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

The square root of 424400122 is about 20600.9738119342. The cubic root of 424400122 is about 751.4933929887.

Adding to 424400122 its reverse (221004424), we get a palindrome (645404546).

The spelling of 424400122 in words is "four hundred twenty-four million, four hundred thousand, one hundred twenty-two".