1409422018 has 8 divisors (see below), whose sum is σ = 2118288060. Its totient is φ = 703326000.

The previous prime is 1409422013. The next prime is 1409422039. The reversal of 1409422018 is 8102249041.

It can be written as a sum of positive squares in 2 ways, for example, as 1244890089 + 164531929 = 35283^2 + 12827^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1409422013) 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, 691233 + ... + 693268.

Almost surely, 2^1409422018 is an apocalyptic number.

1409422018 is a deficient number, since it is larger than the sum of its proper divisors (708866042).

1409422018 is a wasteful number, since it uses less digits than its factorization.

1409422018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385012.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1409422018 is about 37542.2697502429. The cubic root of 1409422018 is about 1121.1929301514.

The spelling of 1409422018 in words is "one billion, four hundred nine million, four hundred twenty-two thousand, eighteen".