622849271 has 4 divisors (see below), whose sum is σ = 679471944. Its totient is φ = 566226600.

The previous prime is 622849229. The next prime is 622849273. The reversal of 622849271 is 172948226.

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 622849271 - 2¹⁴ = 622832887 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 (622849273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28311320 + ... + 28311341.

It is an arithmetic number, because the mean of its divisors is an integer number (169867986).

Almost surely, 2^622849271 is an apocalyptic number.

622849271 is a deficient number, since it is larger than the sum of its proper divisors (56622673).

622849271 is a wasteful number, since it uses less digits than its factorization.

622849271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56622672.

The product of its digits is 96768, while the sum is 41.

The square root of 622849271 is about 24956.9483511106. The cubic root of 622849271 is about 854.0061276154.

The spelling of 622849271 in words is "six hundred twenty-two million, eight hundred forty-nine thousand, two hundred seventy-one".