622006552 has 8 divisors (see below), whose sum is σ = 1166262300. Its totient is φ = 311003272.

The previous prime is 622006423. The next prime is 622006571. The reversal of 622006552 is 255600226.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 622006552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38875402 + ... + 38875417.

Almost surely, 2^622006552 is an apocalyptic number.

It is an amenable number.

622006552 is a deficient number, since it is larger than the sum of its proper divisors (544255748).

622006552 is a wasteful number, since it uses less digits than its factorization.

622006552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77750825 (or 77750821 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 622006552 is about 24940.0591819667. The cubic root of 622006552 is about 853.6207952147.

Adding to 622006552 its reverse (255600226), we get a palindrome (877606778).

The spelling of 622006552 in words is "six hundred twenty-two million, six thousand, five hundred fifty-two".