622622801 has 4 divisors (see below), whose sum is σ = 624248832. Its totient is φ = 620996772.

The previous prime is 622622797. The next prime is 622622821. The reversal of 622622801 is 108226226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108226226 = 2 ⋅54113113.

It is a cyclic number.

It is not a de Polignac number, because 622622801 - 2² = 622622797 is a prime.

It is a magnanimous number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622622821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812441 + ... + 813206.

It is an arithmetic number, because the mean of its divisors is an integer number (156062208).

Almost surely, 2^622622801 is an apocalyptic number.

It is an amenable number.

622622801 is a deficient number, since it is larger than the sum of its proper divisors (1626031).

622622801 is a wasteful number, since it uses less digits than its factorization.

622622801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626030.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 622622801 is about 24952.4107252185. The cubic root of 622622801 is about 853.9026086087.

The spelling of 622622801 in words is "six hundred twenty-two million, six hundred twenty-two thousand, eight hundred one".