1622883378 has 8 divisors (see below), whose sum is σ = 3245766768. Its totient is φ = 540961124.

The previous prime is 1622883371. The next prime is 1622883389. The reversal of 1622883378 is 8733882261.

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

1622883378 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1622883371) 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, 135240276 + ... + 135240287.

It is an arithmetic number, because the mean of its divisors is an integer number (405720846).

Almost surely, 2^1622883378 is an apocalyptic number.

1622883378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1622883378 is a wasteful number, since it uses less digits than its factorization.

1622883378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270480568.

The product of its digits is 774144, while the sum is 48.

The square root of 1622883378 is about 40285.0267220961. The cubic root of 1622883378 is about 1175.1566721523.

It can be divided in two parts, 1622883 and 378, that added together give a palindrome (1623261).

The spelling of 1622883378 in words is "one billion, six hundred twenty-two million, eight hundred eighty-three thousand, three hundred seventy-eight".