1225001422 has 8 divisors (see below), whose sum is σ = 1839020616. Its totient is φ = 611994552.

The previous prime is 1225001359. The next prime is 1225001443. The reversal of 1225001422 is 2241005221.

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 1225001422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250048 + ... + 254899.

It is an arithmetic number, because the mean of its divisors is an integer number (229877577).

Almost surely, 2^1225001422 is an apocalyptic number.

1225001422 is a deficient number, since it is larger than the sum of its proper divisors (614019194).

1225001422 is a wasteful number, since it uses less digits than its factorization.

1225001422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506162.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1225001422 is about 35000.0203142798. The cubic root of 1225001422 is about 1069.9878945846.

Adding to 1225001422 its reverse (2241005221), we get a palindrome (3466006643).

The spelling of 1225001422 in words is "one billion, two hundred twenty-five million, one thousand, four hundred twenty-two".