622261871 has 8 divisors (see below), whose sum is σ = 775807104. Its totient is φ = 484879320.

The previous prime is 622261847. The next prime is 622261889. The reversal of 622261871 is 178162226.

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 622261871 - 2¹⁸ = 621999727 is a prime.

It is a super-2 number, since 2×622261871² = 774419672200841282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622263871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4040585 + ... + 4040738.

It is an arithmetic number, because the mean of its divisors is an integer number (96975888).

Almost surely, 2^622261871 is an apocalyptic number.

622261871 is a deficient number, since it is larger than the sum of its proper divisors (153545233).

622261871 is a wasteful number, since it uses less digits than its factorization.

622261871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8081341.

The product of its digits is 16128, while the sum is 35.

The square root of 622261871 is about 24945.1773094520. The cubic root of 622261871 is about 853.7375762965.

The spelling of 622261871 in words is "six hundred twenty-two million, two hundred sixty-one thousand, eight hundred seventy-one".