622612601 has 8 divisors (see below), whose sum is σ = 670925640. Its totient is φ = 574359552.

The previous prime is 622612591. The next prime is 622612603. The reversal of 622612601 is 106216226.

It can be written as a sum of positive squares in 4 ways, for example, as 99301225 + 523311376 = 9965^2 + 22876^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 622612601 - 2¹⁸ = 622350457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (622612603) 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 7 ways as a sum of consecutive naturals, for example, 7865 + ... + 36153.

It is an arithmetic number, because the mean of its divisors is an integer number (83865705).

Almost surely, 2^622612601 is an apocalyptic number.

It is an amenable number.

622612601 is a deficient number, since it is larger than the sum of its proper divisors (48313039).

622612601 is a wasteful number, since it uses less digits than its factorization.

622612601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29995.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 622612601 is about 24952.2063353123. The cubic root of 622612601 is about 853.8979456173.

Adding to 622612601 its reverse (106216226), we get a palindrome (728828827).

The spelling of 622612601 in words is "six hundred twenty-two million, six hundred twelve thousand, six hundred one".