622535042 has 4 divisors (see below), whose sum is σ = 933802566. Its totient is φ = 311267520.

The previous prime is 622535041. The next prime is 622535047. The reversal of 622535042 is 240535226.

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

It can be written as a sum of positive squares in only one way, i.e., 520706761 + 101828281 = 22819^2 + 10091^2 .

It is a junction number, because it is equal to n+sod(n) for n = 622534996 and 622535014.

It is not an unprimeable number, because it can be changed into a prime (622535041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155633759 + ... + 155633762.

Almost surely, 2^622535042 is an apocalyptic number.

622535042 is a deficient number, since it is larger than the sum of its proper divisors (311267524).

622535042 is a wasteful number, since it uses less digits than its factorization.

622535042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311267523.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 622535042 is about 24950.6521357659. The cubic root of 622535042 is about 853.8624873881.

The spelling of 622535042 in words is "six hundred twenty-two million, five hundred thirty-five thousand, forty-two".