2211404122 has 4 divisors (see below), whose sum is σ = 3317106186. Its totient is φ = 1105702060.

The previous prime is 2211404119. The next prime is 2211404131. The reversal of 2211404122 is 2214041122.

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., 1638711361 + 572692761 = 40481^2 + 23931^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2211404122.

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, 552851029 + ... + 552851032.

Almost surely, 2^2211404122 is an apocalyptic number.

2211404122 is a deficient number, since it is larger than the sum of its proper divisors (1105702064).

2211404122 is a wasteful number, since it uses less digits than its factorization.

2211404122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105702063.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2211404122 is about 47025.5688110202. The cubic root of 2211404122 is about 1302.8348633259.

Adding to 2211404122 its reverse (2214041122), we get a palindrome (4425445244).

The spelling of 2211404122 in words is "two billion, two hundred eleven million, four hundred four thousand, one hundred twenty-two".