4255321522 has 12 divisors (see below), whose sum is σ = 6460833150. Its totient is φ = 2102019488.

The previous prime is 4255321501. The next prime is 4255321687. The reversal of 4255321522 is 2251235524.

It can be written as a sum of positive squares in only one way, i.e., 3741891241 + 513430281 = 61171^2 + 22659^2 .

It is a super-2 number, since 2×4255321522² = 36215522511192792968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140647 + ... + 168202.

Almost surely, 2^4255321522 is an apocalyptic number.

4255321522 is a deficient number, since it is larger than the sum of its proper divisors (2205511628).

4255321522 is an equidigital number, since it uses as much as digits as its factorization.

4255321522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309017 (or 308934 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 4255321522 is about 65232.8254945315. The cubic root of 4255321522 is about 1620.4816839752.

The spelling of 4255321522 in words is "four billion, two hundred fifty-five million, three hundred twenty-one thousand, five hundred twenty-two".