622681671 has 4 divisors (see below), whose sum is σ = 830242232. Its totient is φ = 415121112.

The previous prime is 622681651. The next prime is 622681681. The reversal of 622681671 is 176186226.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 622681671 - 2⁶ = 622681607 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 (622681651) 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, 103780276 + ... + 103780281.

It is an arithmetic number, because the mean of its divisors is an integer number (207560558).

Almost surely, 2^622681671 is an apocalyptic number.

622681671 is a deficient number, since it is larger than the sum of its proper divisors (207560561).

622681671 is a wasteful number, since it uses less digits than its factorization.

622681671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207560560.

The product of its digits is 48384, while the sum is 39.

The square root of 622681671 is about 24953.5903428745. The cubic root of 622681671 is about 853.9295203880.

The spelling of 622681671 in words is "six hundred twenty-two million, six hundred eighty-one thousand, six hundred seventy-one".