622005005 has 4 divisors (see below), whose sum is σ = 746406012. Its totient is φ = 497604000.

The previous prime is 622004989. The next prime is 622005023. The reversal of 622005005 is 500500226.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 472236361 + 149768644 = 21731^2 + 12238^2 .

It is not a de Polignac number, because 622005005 - 2⁴ = 622004989 is a prime.

It is a Duffinian number.

It is a congruent 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, 62200496 + ... + 62200505.

It is an arithmetic number, because the mean of its divisors is an integer number (186601503).

Almost surely, 2^622005005 is an apocalyptic number.

It is an amenable number.

622005005 is a deficient number, since it is larger than the sum of its proper divisors (124401007).

622005005 is a wasteful number, since it uses less digits than its factorization.

622005005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124401006.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 622005005 is about 24940.0281675863. The cubic root of 622005005 is about 853.6200875306.

The spelling of 622005005 in words is "six hundred twenty-two million, five thousand, five".