1622234399 has 8 divisors (see below), whose sum is σ = 1635090240. Its totient is φ = 1609393536.

The previous prime is 1622234387. The next prime is 1622234429. The reversal of 1622234399 is 9934322261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1622234399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622234329) 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, 323987 + ... + 328955.

It is an arithmetic number, because the mean of its divisors is an integer number (204386280).

Almost surely, 2^1622234399 is an apocalyptic number.

1622234399 is a deficient number, since it is larger than the sum of its proper divisors (12855841).

1622234399 is a wasteful number, since it uses less digits than its factorization.

1622234399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7489.

The product of its digits is 139968, while the sum is 41.

The square root of 1622234399 is about 40276.9710752931. The cubic root of 1622234399 is about 1175.0000057945. Note that the first 5 decimals are identical.

The spelling of 1622234399 in words is "one billion, six hundred twenty-two million, two hundred thirty-four thousand, three hundred ninety-nine".