622761601 has 8 divisors (see below), whose sum is σ = 776430144. Its totient is φ = 485268720.

The previous prime is 622761571. The next prime is 622761641. The reversal of 622761601 is 106167226.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 622761601 - 2²¹ = 620664449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622761641) 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, 4043830 + ... + 4043983.

It is an arithmetic number, because the mean of its divisors is an integer number (97053768).

Almost surely, 2^622761601 is an apocalyptic number.

It is an amenable number.

622761601 is a deficient number, since it is larger than the sum of its proper divisors (153668543).

622761601 is a wasteful number, since it uses less digits than its factorization.

622761601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8087831.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 622761601 is about 24955.1918646201. The cubic root of 622761601 is about 853.9660568022.

The spelling of 622761601 in words is "six hundred twenty-two million, seven hundred sixty-one thousand, six hundred one".