1422573146 has 12 divisors (see below), whose sum is σ = 2187179646. Its totient is φ = 693936480.

The previous prime is 1422573143. The next prime is 1422573169. The reversal of 1422573146 is 6413752241.

It can be written as a sum of positive squares in 3 ways, for example, as 575472121 + 847101025 = 23989^2 + 29105^2 .

It is not an unprimeable number, because it can be changed into a prime (1422573143) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 208205 + ... + 214928.

Almost surely, 2^1422573146 is an apocalyptic number.

1422573146 is a deficient number, since it is larger than the sum of its proper divisors (764606500).

1422573146 is an equidigital number, since it uses as much as digits as its factorization.

1422573146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423217 (or 423176 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 1422573146 is about 37717.0140122465. The cubic root of 1422573146 is about 1124.6693733930.

The spelling of 1422573146 in words is "one billion, four hundred twenty-two million, five hundred seventy-three thousand, one hundred forty-six".