1228027522 has 4 divisors (see below), whose sum is σ = 1842041286. Its totient is φ = 614013760.

The previous prime is 1228027519. The next prime is 1228027529. The reversal of 1228027522 is 2257208221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 824780961 + 403246561 = 28719^2 + 20081^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1228027529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307006879 + ... + 307006882.

Almost surely, 2^1228027522 is an apocalyptic number.

1228027522 is a deficient number, since it is larger than the sum of its proper divisors (614013764).

1228027522 is an equidigital number, since it uses as much as digits as its factorization.

1228027522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614013763.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 1228027522 is about 35043.2236245469. The cubic root of 1228027522 is about 1070.8682276722.

The spelling of 1228027522 in words is "one billion, two hundred twenty-eight million, twenty-seven thousand, five hundred twenty-two".