622591480 has 32 divisors (see below), whose sum is σ = 1600950240. Its totient is φ = 213459840.

The previous prime is 622591441. The next prime is 622591481. The reversal of 622591480 is 84195226.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622591481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111491 + ... + 1112050.

It is an arithmetic number, because the mean of its divisors is an integer number (50029695).

Almost surely, 2^622591480 is an apocalyptic number.

It is an amenable number.

622591480 is an abundant number, since it is smaller than the sum of its proper divisors (978358760).

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

622591480 is a wasteful number, since it uses less digits than its factorization.

622591480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223559 (or 2223555 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 622591480 is about 24951.7831026161. The cubic root of 622591480 is about 853.8882898633. Note that the first 3 decimals are identical.

The spelling of 622591480 in words is "six hundred twenty-two million, five hundred ninety-one thousand, four hundred eighty".