652643622 has 16 divisors (see below), whose sum is σ = 1450319280. Its totient is φ = 217547856.

The previous prime is 652643603. The next prime is 652643627. The reversal of 652643622 is 226346256.

652643622 is a `hidden beast` number, since 6 + 5 + 2 + 643 + 6 + 2 + 2 = 666.

652643622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652643627) 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, 6042943 + ... + 6043050.

It is an arithmetic number, because the mean of its divisors is an integer number (90644955).

Almost surely, 2^652643622 is an apocalyptic number.

652643622 is an abundant number, since it is smaller than the sum of its proper divisors (797675658).

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

652643622 is a wasteful number, since it uses less digits than its factorization.

652643622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12086004 (or 12085998 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 652643622 is about 25546.8906522888. The cubic root of 652643622 is about 867.4118803044.

Adding to 652643622 its reverse (226346256), we get a palindrome (878989878).

It can be divided in two parts, 65264 and 3622, that added together give a palindrome (68886).

The spelling of 652643622 in words is "six hundred fifty-two million, six hundred forty-three thousand, six hundred twenty-two".