622412087 has 4 divisors (see below), whose sum is σ = 678995016. Its totient is φ = 565829160.

The previous prime is 622412083. The next prime is 622412093. The reversal of 622412087 is 780214226.

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 622412087 - 2² = 622412083 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 (622412083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28291448 + ... + 28291469.

It is an arithmetic number, because the mean of its divisors is an integer number (169748754).

Almost surely, 2^622412087 is an apocalyptic number.

622412087 is a deficient number, since it is larger than the sum of its proper divisors (56582929).

622412087 is a wasteful number, since it uses less digits than its factorization.

622412087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56582928.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 622412087 is about 24948.1880504377. The cubic root of 622412087 is about 853.8062690938.

The spelling of 622412087 in words is "six hundred twenty-two million, four hundred twelve thousand, eighty-seven".