1428222475 has 6 divisors (see below), whose sum is σ = 1770995900. Its totient is φ = 1142577960.

The previous prime is 1428222473. The next prime is 1428222491. The reversal of 1428222475 is 5742228241.

It is not a de Polignac number, because 1428222475 - 2¹ = 1428222473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1428222473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28564425 + ... + 28564474.

Almost surely, 2^1428222475 is an apocalyptic number.

1428222475 is a deficient number, since it is larger than the sum of its proper divisors (342773425).

1428222475 is an equidigital number, since it uses as much as digits as its factorization.

1428222475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57128909 (or 57128904 counting only the distinct ones).

The product of its digits is 71680, while the sum is 37.

The square root of 1428222475 is about 37791.8307971445. The cubic root of 1428222475 is about 1126.1561710579.

The spelling of 1428222475 in words is "one billion, four hundred twenty-eight million, two hundred twenty-two thousand, four hundred seventy-five".