622333945 has 4 divisors (see below), whose sum is σ = 746800740. Its totient is φ = 497867152.

The previous prime is 622333927. The next prime is 622333973. The reversal of 622333945 is 549333226.

It is a happy number.

622333945 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 can be written as a sum of positive squares in 2 ways, for example, as 392872041 + 229461904 = 19821^2 + 15148^2 .

It is a cyclic number.

It is not a de Polignac number, because 622333945 - 2²³ = 613945337 is a prime.

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, 62233390 + ... + 62233399.

It is an arithmetic number, because the mean of its divisors is an integer number (186700185).

Almost surely, 2^622333945 is an apocalyptic number.

It is an amenable number.

622333945 is a deficient number, since it is larger than the sum of its proper divisors (124466795).

622333945 is a wasteful number, since it uses less digits than its factorization.

622333945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124466794.

The product of its digits is 116640, while the sum is 37.

The square root of 622333945 is about 24946.6219156021. The cubic root of 622333945 is about 853.7705366462.

The spelling of 622333945 in words is "six hundred twenty-two million, three hundred thirty-three thousand, nine hundred forty-five".