5225422640 has 40 divisors (see below), whose sum is σ = 12378346128. Its totient is φ = 2050730240.

The previous prime is 5225422621. The next prime is 5225422663. The reversal of 5225422640 is 462245225.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 5225422597 and 5225422606.

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 in 7 ways as a sum of consecutive naturals, for example, 611966 + ... + 620445.

Almost surely, 2^5225422640 is an apocalyptic number.

It is an amenable number.

5225422640 is an abundant number, since it is smaller than the sum of its proper divisors (7152923488).

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

5225422640 is a wasteful number, since it uses less digits than its factorization.

5225422640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232477 (or 1232471 counting only the distinct ones).

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

The square root of 5225422640 is about 72287.0848768990. The cubic root of 5225422640 is about 1735.2969662788.

Adding to 5225422640 its reverse (462245225), we get a palindrome (5687667865).

The spelling of 5225422640 in words is "five billion, two hundred twenty-five million, four hundred twenty-two thousand, six hundred forty".