622457880 has 192 divisors, whose sum is σ = 2073012480. Its totient is φ = 149402880.

The previous prime is 622457863. The next prime is 622457921. The reversal of 622457880 is 88754226.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2366629 + ... + 2366891.

It is an arithmetic number, because the mean of its divisors is an integer number (10796940).

Almost surely, 2^622457880 is an apocalyptic number.

622457880 is a gapful number since it is divisible by the number (60) 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 622457880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036506240).

622457880 is an abundant number, since it is smaller than the sum of its proper divisors (1450554600).

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

622457880 is a wasteful number, since it uses less digits than its factorization.

622457880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 622457880 is about 24949.1057955992. The cubic root of 622457880 is about 853.8272077358.

It can be divided in two parts, 62245 and 7880, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 622457880 in words is "six hundred twenty-two million, four hundred fifty-seven thousand, eight hundred eighty".