622742377 has 8 divisors (see below), whose sum is σ = 625453920. Its totient is φ = 620037600.

The previous prime is 622742363. The next prime is 622742387. The reversal of 622742377 is 773247226.

622742377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 622742377 - 2¹¹ = 622740329 is a prime.

It is a super-2 number, since 2×622742377² = 775616136223220258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622742327) 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, 265074 + ... + 267412.

It is an arithmetic number, because the mean of its divisors is an integer number (78181740).

Almost surely, 2^622742377 is an apocalyptic number.

It is an amenable number.

622742377 is a deficient number, since it is larger than the sum of its proper divisors (2711543).

622742377 is a wasteful number, since it uses less digits than its factorization.

622742377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383.

The product of its digits is 197568, while the sum is 40.

The square root of 622742377 is about 24954.8066912970. The cubic root of 622742377 is about 853.9572696984.

The spelling of 622742377 in words is "six hundred twenty-two million, seven hundred forty-two thousand, three hundred seventy-seven".