622730652 has 12 divisors (see below), whose sum is σ = 1453038216. Its totient is φ = 207576880.

The previous prime is 622730651. The next prime is 622730701. The reversal of 622730652 is 256037226.

It is a happy number.

622730652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622730651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25947099 + ... + 25947122.

It is an arithmetic number, because the mean of its divisors is an integer number (121086518).

Almost surely, 2^622730652 is an apocalyptic number.

It is an amenable number.

622730652 is an abundant number, since it is smaller than the sum of its proper divisors (830307564).

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

622730652 is a wasteful number, since it uses less digits than its factorization.

622730652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51894228 (or 51894226 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 622730652 is about 24954.5717655102. The cubic root of 622730652 is about 853.9519102260.

Adding to 622730652 its reverse (256037226), we get a palindrome (878767878).

The spelling of 622730652 in words is "six hundred twenty-two million, seven hundred thirty thousand, six hundred fifty-two".