622170550 has 12 divisors (see below), whose sum is σ = 1157237316. Its totient is φ = 248868200.

The previous prime is 622170499. The next prime is 622170559. The reversal of 622170550 is 55071226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622170559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6221656 + ... + 6221755.

It is an arithmetic number, because the mean of its divisors is an integer number (96436443).

Almost surely, 2^622170550 is an apocalyptic number.

622170550 is a deficient number, since it is larger than the sum of its proper divisors (535066766).

622170550 is a wasteful number, since it uses less digits than its factorization.

622170550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12443423 (or 12443418 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 622170550 is about 24943.3468083174. The cubic root of 622170550 is about 853.6958103954.

The spelling of 622170550 in words is "six hundred twenty-two million, one hundred seventy thousand, five hundred fifty".