1622403609 has 8 divisors (see below), whose sum is σ = 2163396192. Its totient is φ = 1081506720.

The previous prime is 1622403599. The next prime is 1622403683. The reversal of 1622403609 is 9063042261.

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

It is not a de Polignac number, because 1622403609 - 2¹³ = 1622395417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1622403609.

It is not an unprimeable number, because it can be changed into a prime (1622403689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40174 + ... + 69704.

It is an arithmetic number, because the mean of its divisors is an integer number (270424524).

Almost surely, 2^1622403609 is an apocalyptic number.

It is an amenable number.

1622403609 is a deficient number, since it is larger than the sum of its proper divisors (540992583).

1622403609 is a wasteful number, since it uses less digits than its factorization.

1622403609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47847.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1622403609 is about 40279.0716005223. The cubic root of 1622403609 is about 1175.0408578519.

The spelling of 1622403609 in words is "one billion, six hundred twenty-two million, four hundred three thousand, six hundred nine".