622249002709 has 4 divisors (see below), whose sum is σ = 654998950240. Its totient is φ = 589499055180.

The previous prime is 622249002691. The next prime is 622249002719. The reversal of 622249002709 is 907200942226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 622249002709 - 2¹⁵ = 622248969941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622249002719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16374973737 + ... + 16374973774.

It is an arithmetic number, because the mean of its divisors is an integer number (163749737560).

Almost surely, 2^622249002709 is an apocalyptic number.

It is an amenable number.

622249002709 is a deficient number, since it is larger than the sum of its proper divisors (32749947531).

622249002709 is a wasteful number, since it uses less digits than its factorization.

622249002709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32749947530.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 622249002709 in words is "six hundred twenty-two billion, two hundred forty-nine million, two thousand, seven hundred nine".