2500220522 has 8 divisors (see below), whose sum is σ = 3777312000. Its totient is φ = 1241116524.

The previous prime is 2500220461. The next prime is 2500220531. The reversal of 2500220522 is 2250220052.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2500220522² = 12502205317259904968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2500220494 and 2500220503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4496522 + ... + 4497077.

It is an arithmetic number, because the mean of its divisors is an integer number (472164000).

Almost surely, 2^2500220522 is an apocalyptic number.

2500220522 is a deficient number, since it is larger than the sum of its proper divisors (1277091478).

2500220522 is a wasteful number, since it uses less digits than its factorization.

2500220522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993740.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2500220522 is about 50002.2051713722. The cubic root of 2500220522 is about 1357.2487130443.

Adding to 2500220522 its reverse (2250220052), we get a palindrome (4750440574).

The spelling of 2500220522 in words is "two billion, five hundred million, two hundred twenty thousand, five hundred twenty-two".