1020312226 has 4 divisors (see below), whose sum is σ = 1530468342. Its totient is φ = 510156112.

The previous prime is 1020312211. The next prime is 1020312229. The reversal of 1020312226 is 6222130201.

1020312226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 778354201 + 241958025 = 27899^2 + 15555^2 .

It is not an unprimeable number, because it can be changed into a prime (1020312229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255078055 + ... + 255078058.

Almost surely, 2^1020312226 is an apocalyptic number.

1020312226 is a deficient number, since it is larger than the sum of its proper divisors (510156116).

1020312226 is an equidigital number, since it uses as much as digits as its factorization.

1020312226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510156115.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1020312226 is about 31942.3265589719. The cubic root of 1020312226 is about 1006.7254094682.

Adding to 1020312226 its reverse (6222130201), we get a palindrome (7242442427).

The spelling of 1020312226 in words is "one billion, twenty million, three hundred twelve thousand, two hundred twenty-six".