1622143382 has 4 divisors (see below), whose sum is σ = 2433215076. Its totient is φ = 811071690.

The previous prime is 1622143361. The next prime is 1622143403. The reversal of 1622143382 is 2833412261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2833412261 = 39827 ⋅71143.

It is an interprime number because it is at equal distance from previous prime (1622143361) and next prime (1622143403).

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 as a sum of consecutive naturals, namely, 405535844 + ... + 405535847.

It is an arithmetic number, because the mean of its divisors is an integer number (608303769).

Almost surely, 2^1622143382 is an apocalyptic number.

1622143382 is a deficient number, since it is larger than the sum of its proper divisors (811071694).

1622143382 is an equidigital number, since it uses as much as digits as its factorization.

1622143382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811071693.

The product of its digits is 13824, while the sum is 32.

The square root of 1622143382 is about 40275.8411706075. The cubic root of 1622143382 is about 1174.9780305535.

The spelling of 1622143382 in words is "one billion, six hundred twenty-two million, one hundred forty-three thousand, three hundred eighty-two".