8821235252 has 6 divisors (see below), whose sum is σ = 15437161698. Its totient is φ = 4410617624.

The previous prime is 8821235249. The next prime is 8821235261. The reversal of 8821235252 is 2525321288.

It can be written as a sum of positive squares in only one way, i.e., 8676177316 + 145057936 = 93146^2 + 12044^2 .

It is a super-2 number, since 2×8821235252² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102654403 + ... + 1102654410.

It is an arithmetic number, because the mean of its divisors is an integer number (2572860283).

Almost surely, 2^8821235252 is an apocalyptic number.

It is an amenable number.

8821235252 is a deficient number, since it is larger than the sum of its proper divisors (6615926446).

8821235252 is a wasteful number, since it uses less digits than its factorization.

8821235252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205308817 (or 2205308815 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 8821235252 is about 93921.4312710363. The cubic root of 8821235252 is about 2066.2195581632.

The spelling of 8821235252 in words is "eight billion, eight hundred twenty-one million, two hundred thirty-five thousand, two hundred fifty-two".