622040747 has 4 divisors (see below), whose sum is σ = 622529136. Its totient is φ = 621552360.

The previous prime is 622040651. The next prime is 622040789. The reversal of 622040747 is 747040226.

622040747 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.

It is a cyclic number.

It is not a de Polignac number, because 622040747 - 2¹⁴ = 622024363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622040647) 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, 242279 + ... + 244832.

It is an arithmetic number, because the mean of its divisors is an integer number (155632284).

Almost surely, 2^622040747 is an apocalyptic number.

622040747 is a deficient number, since it is larger than the sum of its proper divisors (488389).

622040747 is a wasteful number, since it uses less digits than its factorization.

622040747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488388.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 622040747 is about 24940.7447162269. The cubic root of 622040747 is about 853.6364376160.

The spelling of 622040747 in words is "six hundred twenty-two million, forty thousand, seven hundred forty-seven".