622444041 has 16 divisors (see below), whose sum is σ = 937771200. Its totient is φ = 407928384.

The previous prime is 622444037. The next prime is 622444051. The reversal of 622444041 is 140444226.

It is a happy number.

It is not a de Polignac number, because 622444041 - 2² = 622444037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 622443996 and 622444014.

It is not an unprimeable number, because it can be changed into a prime (622444021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193776 + ... + 196961.

It is an arithmetic number, because the mean of its divisors is an integer number (58610700).

Almost surely, 2^622444041 is an apocalyptic number.

It is an amenable number.

622444041 is a deficient number, since it is larger than the sum of its proper divisors (315327159).

622444041 is a wasteful number, since it uses less digits than its factorization.

622444041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390805 (or 390799 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 622444041 is about 24948.8284494483. The cubic root of 622444041 is about 853.8208800239.

Adding to 622444041 its reverse (140444226), we get a palindrome (762888267).

The spelling of 622444041 in words is "six hundred twenty-two million, four hundred forty-four thousand, forty-one".