1222404126 has 32 divisors (see below), whose sum is σ = 2520357120. Its totient is φ = 395066304.

The previous prime is 1222404101. The next prime is 1222404133. The reversal of 1222404126 is 6214042221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1222404096 and 1222404105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2191 + ... + 49493.

It is an arithmetic number, because the mean of its divisors is an integer number (78761160).

Almost surely, 2^1222404126 is an apocalyptic number.

1222404126 is an abundant number, since it is smaller than the sum of its proper divisors (1297952994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222404126 is a wasteful number, since it uses less digits than its factorization.

1222404126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47440.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1222404126 is about 34962.8964189182. The cubic root of 1222404126 is about 1069.2311494230.

Adding to 1222404126 its reverse (6214042221), we get a palindrome (7436446347).

The spelling of 1222404126 in words is "one billion, two hundred twenty-two million, four hundred four thousand, one hundred twenty-six".