622601040 has 80 divisors (see below), whose sum is σ = 1962820800. Its totient is φ = 163209216.

The previous prime is 622601039. The next prime is 622601041. The reversal of 622601040 is 40106226.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (622601039) and next prime (622601041).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 622600998 and 622601016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622601041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7825 + ... + 36144.

It is an arithmetic number, because the mean of its divisors is an integer number (24535260).

Almost surely, 2^622601040 is an apocalyptic number.

622601040 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 622601040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981410400).

622601040 is an abundant number, since it is smaller than the sum of its proper divisors (1340219760).

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

622601040 is a wasteful number, since it uses less digits than its factorization.

622601040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44044 (or 44038 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 622601040 is about 24951.9746713562. The cubic root of 622601040 is about 853.8926603751.

Adding to 622601040 its reverse (40106226), we get a palindrome (662707266).

The spelling of 622601040 in words is "six hundred twenty-two million, six hundred one thousand, forty".