1395423722 has 32 divisors (see below), whose sum is σ = 2641089024. Its totient is φ = 537116400.

The previous prime is 1395423671. The next prime is 1395423737. The reversal of 1395423722 is 2273245931.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41804 + ... + 67367.

It is an arithmetic number, because the mean of its divisors is an integer number (82534032).

Almost surely, 2^1395423722 is an apocalyptic number.

1395423722 is a deficient number, since it is larger than the sum of its proper divisors (1245665302).

1395423722 is a wasteful number, since it uses less digits than its factorization.

1395423722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109274.

The product of its digits is 90720, while the sum is 38.

The square root of 1395423722 is about 37355.3707249707. The cubic root of 1395423722 is about 1117.4686992653.

The spelling of 1395423722 in words is "one billion, three hundred ninety-five million, four hundred twenty-three thousand, seven hundred twenty-two".