622121207 has 4 divisors (see below), whose sum is σ = 622186320. Its totient is φ = 622056096.

The previous prime is 622121183. The next prime is 622121243. The reversal of 622121207 is 702121226.

It is a happy number.

622121207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 702121226 = 2 ⋅351060613.

It is a cyclic number.

It is not a de Polignac number, because 622121207 - 2¹⁴ = 622104823 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 (622124207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15107 + ... + 38372.

It is an arithmetic number, because the mean of its divisors is an integer number (155546580).

Almost surely, 2^622121207 is an apocalyptic number.

622121207 is a deficient number, since it is larger than the sum of its proper divisors (65113).

622121207 is a wasteful number, since it uses less digits than its factorization.

622121207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65112.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 622121207 is about 24942.3576872757. The cubic root of 622121207 is about 853.6732415429.

The spelling of 622121207 in words is "six hundred twenty-two million, one hundred twenty-one thousand, two hundred seven".