625245222 has 32 divisors (see below), whose sum is σ = 1429984512. Its totient is φ = 178534944.

The previous prime is 625245211. The next prime is 625245233. The reversal of 625245222 is 222542526.

It is an interprime number because it is at equal distance from previous prime (625245211) and next prime (625245233).

It is a self number, because there is not a number n which added to its sum of digits gives 625245222.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 90888 + ... + 97524.

It is an arithmetic number, because the mean of its divisors is an integer number (44687016).

Almost surely, 2^625245222 is an apocalyptic number.

625245222 is an abundant number, since it is smaller than the sum of its proper divisors (804739290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625245222 is a wasteful number, since it uses less digits than its factorization.

625245222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892.

The product of its digits is 19200, while the sum is 30.

The square root of 625245222 is about 25004.9039590237. The cubic root of 625245222 is about 855.0997783763.

Adding to 625245222 its reverse (222542526), we get a palindrome (847787748).

The spelling of 625245222 in words is "six hundred twenty-five million, two hundred forty-five thousand, two hundred twenty-two".