622703671 has 4 divisors (see below), whose sum is σ = 622881144. Its totient is φ = 622526200.

The previous prime is 622703657. The next prime is 622703681. The reversal of 622703671 is 176307226.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176307226 = 2 ⋅88153613.

It is a cyclic number.

It is not a de Polignac number, because 622703671 - 2²³ = 614315063 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 (622703621) 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, 83365 + ... + 90526.

It is an arithmetic number, because the mean of its divisors is an integer number (155720286).

Almost surely, 2^622703671 is an apocalyptic number.

622703671 is a deficient number, since it is larger than the sum of its proper divisors (177473).

622703671 is a wasteful number, since it uses less digits than its factorization.

622703671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177472.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 622703671 is about 24954.0311573100. The cubic root of 622703671 is about 853.9395770130.

The spelling of 622703671 in words is "six hundred twenty-two million, seven hundred three thousand, six hundred seventy-one".