404030122 has 4 divisors (see below), whose sum is σ = 606045186. Its totient is φ = 202015060.

The previous prime is 404030119. The next prime is 404030141. The reversal of 404030122 is 221030404.

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., 395970201 + 8059921 = 19899^2 + 2839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404030096 and 404030105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101007529 + ... + 101007532.

Almost surely, 2^404030122 is an apocalyptic number.

404030122 is a deficient number, since it is larger than the sum of its proper divisors (202015064).

404030122 is a wasteful number, since it uses less digits than its factorization.

404030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202015063.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 404030122 is about 20100.5005410313. The cubic root of 404030122 is about 739.2725514989.

Adding to 404030122 its reverse (221030404), we get a palindrome (625060526).

The spelling of 404030122 in words is "four hundred four million, thirty thousand, one hundred twenty-two".