622303225 has 12 divisors (see below), whose sum is σ = 774146880. Its totient is φ = 496235600.

The previous prime is 622303223. The next prime is 622303243. The reversal of 622303225 is 522303226.

It is not a de Polignac number, because 622303225 - 2¹ = 622303223 is a prime.

It is a super-2 number, since 2×622303225² = 774522607690801250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 622303225.

It is not an unprimeable number, because it can be changed into a prime (622303223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32245 + ... + 47794.

It is an arithmetic number, because the mean of its divisors is an integer number (64512240).

Almost surely, 2^622303225 is an apocalyptic number.

It is an amenable number.

622303225 is a deficient number, since it is larger than the sum of its proper divisors (151843655).

622303225 is a wasteful number, since it uses less digits than its factorization.

622303225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80360 (or 80355 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 622303225 is about 24946.0061933769. The cubic root of 622303225 is about 853.7564883138.

Subtracting from 622303225 its reverse (522303226), we obtain a palindrome (99999999).

The spelling of 622303225 in words is "six hundred twenty-two million, three hundred three thousand, two hundred twenty-five".