1422731566 has 8 divisors (see below), whose sum is σ = 2148420600. Its totient is φ = 706591368.

The previous prime is 1422731549. The next prime is 1422731567. The reversal of 1422731566 is 6651372241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422731567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386836 + ... + 2387431.

It is an arithmetic number, because the mean of its divisors is an integer number (268552575).

Almost surely, 2^1422731566 is an apocalyptic number.

1422731566 is a deficient number, since it is larger than the sum of its proper divisors (725689034).

1422731566 is a wasteful number, since it uses less digits than its factorization.

1422731566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774418.

The product of its digits is 60480, while the sum is 37.

The square root of 1422731566 is about 37719.1140670085. The cubic root of 1422731566 is about 1124.7111201646.

The spelling of 1422731566 in words is "one billion, four hundred twenty-two million, seven hundred thirty-one thousand, five hundred sixty-six".