622748564 has 12 divisors (see below), whose sum is σ = 1098392064. Its totient is φ = 308922264.

The previous prime is 622748563. The next prime is 622748611. The reversal of 622748564 is 465847226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622748563) 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, 612434 + ... + 613449.

It is an arithmetic number, because the mean of its divisors is an integer number (91532672).

Almost surely, 2^622748564 is an apocalyptic number.

It is an amenable number.

622748564 is a deficient number, since it is larger than the sum of its proper divisors (475643500).

622748564 is a wasteful number, since it uses less digits than its factorization.

622748564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226014 (or 1226012 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 622748564 is about 24954.9306550830. The cubic root of 622748564 is about 853.9600977358.

The spelling of 622748564 in words is "six hundred twenty-two million, seven hundred forty-eight thousand, five hundred sixty-four".