1225551422 has 8 divisors (see below), whose sum is σ = 1869485400. Its totient is φ = 602389624.

The previous prime is 1225551409. The next prime is 1225551451. The reversal of 1225551422 is 2241555221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5192897 + ... + 5193132.

It is an arithmetic number, because the mean of its divisors is an integer number (233685675).

Almost surely, 2^1225551422 is an apocalyptic number.

1225551422 is a deficient number, since it is larger than the sum of its proper divisors (643933978).

1225551422 is a wasteful number, since it uses less digits than its factorization.

1225551422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10386090.

The product of its digits is 8000, while the sum is 29.

The square root of 1225551422 is about 35007.8765708519. The cubic root of 1225551422 is about 1070.1480046818.

The spelling of 1225551422 in words is "one billion, two hundred twenty-five million, five hundred fifty-one thousand, four hundred twenty-two".