622285408 has 48 divisors (see below), whose sum is σ = 1302530544. Its totient is φ = 291635200.

The previous prime is 622285403. The next prime is 622285409. The reversal of 622285408 is 804582226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622285403) 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, 137583 + ... + 142033.

It is an arithmetic number, because the mean of its divisors is an integer number (27136053).

Almost surely, 2^622285408 is an apocalyptic number.

622285408 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622285408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651265272).

622285408 is an abundant number, since it is smaller than the sum of its proper divisors (680245136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622285408 is a wasteful number, since it uses less digits than its factorization.

622285408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735 (or 4727 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 622285408 is about 24945.6490795489. The cubic root of 622285408 is about 853.7483403435.

The spelling of 622285408 in words is "six hundred twenty-two million, two hundred eighty-five thousand, four hundred eight".