1445002226 has 4 divisors (see below), whose sum is σ = 2167503342. Its totient is φ = 722501112.

The previous prime is 1445002189. The next prime is 1445002241. The reversal of 1445002226 is 6222005441.

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., 1098856201 + 346146025 = 33149^2 + 18605^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1445002195 and 1445002204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361250555 + ... + 361250558.

Almost surely, 2^1445002226 is an apocalyptic number.

1445002226 is a deficient number, since it is larger than the sum of its proper divisors (722501116).

1445002226 is an equidigital number, since it uses as much as digits as its factorization.

1445002226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722501115.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1445002226 is about 38013.1848968223. The cubic root of 1445002226 is about 1130.5492998586.

Adding to 1445002226 its reverse (6222005441), we get a palindrome (7667007667).

The spelling of 1445002226 in words is "one billion, four hundred forty-five million, two thousand, two hundred twenty-six".