1622880355 has 4 divisors (see below), whose sum is σ = 1947456432. Its totient is φ = 1298304280.

The previous prime is 1622880289. The next prime is 1622880361. The reversal of 1622880355 is 5530882261.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1622880355 - 2¹¹ = 1622878307 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162288031 + ... + 162288040.

It is an arithmetic number, because the mean of its divisors is an integer number (486864108).

Almost surely, 2^1622880355 is an apocalyptic number.

1622880355 is a deficient number, since it is larger than the sum of its proper divisors (324576077).

1622880355 is an equidigital number, since it uses as much as digits as its factorization.

1622880355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324576076.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1622880355 is about 40284.9892019348. The cubic root of 1622880355 is about 1175.1559424838.

The spelling of 1622880355 in words is "one billion, six hundred twenty-two million, eight hundred eighty thousand, three hundred fifty-five".