25222622252 has 6 divisors (see below), whose sum is σ = 44139588948. Its totient is φ = 12611311124.

The previous prime is 25222622219. The next prime is 25222622267.

25222622252 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3152827778 + ... + 3152827785.

It is an arithmetic number, because the mean of its divisors is an integer number (7356598158).

Almost surely, 2^25222622252 is an apocalyptic number.

It is an amenable number.

25222622252 is a deficient number, since it is larger than the sum of its proper divisors (18916966696).

25222622252 is a wasteful number, since it uses less digits than its factorization.

25222622252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305655567 (or 6305655565 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The spelling of 25222622252 in words is "twenty-five billion, two hundred twenty-two million, six hundred twenty-two thousand, two hundred fifty-two".