1662215422 has 8 divisors (see below), whose sum is σ = 2849512176. Its totient is φ = 712378032.

The previous prime is 1662215419. The next prime is 1662215441. The reversal of 1662215422 is 2245122661.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 59364823 + ... + 59364850.

It is an arithmetic number, because the mean of its divisors is an integer number (356189022).

Almost surely, 2^1662215422 is an apocalyptic number.

1662215422 is a deficient number, since it is larger than the sum of its proper divisors (1187296754).

1662215422 is a wasteful number, since it uses less digits than its factorization.

1662215422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118729682.

The product of its digits is 11520, while the sum is 31.

The square root of 1662215422 is about 40770.2762070605. The cubic root of 1662215422 is about 1184.5746536127.

The spelling of 1662215422 in words is "one billion, six hundred sixty-two million, two hundred fifteen thousand, four hundred twenty-two".