622662041 has 4 divisors (see below), whose sum is σ = 631191732. Its totient is φ = 614132352.

The previous prime is 622662031. The next prime is 622662113. The reversal of 622662041 is 140266226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140266226 = 2 ⋅70133113.

It can be written as a sum of positive squares in 2 ways, for example, as 509856400 + 112805641 = 22580^2 + 10621^2 .

It is a cyclic number.

It is not a de Polignac number, because 622662041 - 2²² = 618467737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622661995 and 622662013.

It is not an unprimeable number, because it can be changed into a prime (622662031) 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, 4264736 + ... + 4264881.

It is an arithmetic number, because the mean of its divisors is an integer number (157797933).

Almost surely, 2^622662041 is an apocalyptic number.

It is an amenable number.

622662041 is a deficient number, since it is larger than the sum of its proper divisors (8529691).

622662041 is an equidigital number, since it uses as much as digits as its factorization.

622662041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8529690.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 622662041 is about 24953.1970096018. The cubic root of 622662041 is about 853.9205469358.

The spelling of 622662041 in words is "six hundred twenty-two million, six hundred sixty-two thousand, forty-one".