622502407 has 4 divisors (see below), whose sum is σ = 630002520. Its totient is φ = 615002296.

The previous prime is 622502399. The next prime is 622502417. The reversal of 622502407 is 704205226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704205226 = 2 ⋅352102613.

It is a cyclic number.

It is not a de Polignac number, because 622502407 - 2³ = 622502399 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 (622502417) 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, 3749932 + ... + 3750097.

It is an arithmetic number, because the mean of its divisors is an integer number (157500630).

Almost surely, 2^622502407 is an apocalyptic number.

622502407 is a deficient number, since it is larger than the sum of its proper divisors (7500113).

622502407 is an equidigital number, since it uses as much as digits as its factorization.

622502407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500112.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 622502407 is about 24949.9981362725. The cubic root of 622502407 is about 853.8475665203.

The spelling of 622502407 in words is "six hundred twenty-two million, five hundred two thousand, four hundred seven".