1622133643 has 16 divisors (see below), whose sum is σ = 1760636416. Its totient is φ = 1485643680.

The previous prime is 1622133641. The next prime is 1622133649. The reversal of 1622133643 is 3463312261.

It is not a de Polignac number, because 1622133643 - 2¹ = 1622133641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1622133641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 996196 + ... + 997822.

It is an arithmetic number, because the mean of its divisors is an integer number (110039776).

Almost surely, 2^1622133643 is an apocalyptic number.

1622133643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1622133643 is a deficient number, since it is larger than the sum of its proper divisors (138502773).

1622133643 is a wasteful number, since it uses less digits than its factorization.

1622133643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194.

The product of its digits is 15552, while the sum is 31.

The square root of 1622133643 is about 40275.7202666818. The cubic root of 1622133643 is about 1174.9756791103.

The spelling of 1622133643 in words is "one billion, six hundred twenty-two million, one hundred thirty-three thousand, six hundred forty-three".