1320626226 has 16 divisors (see below), whose sum is σ = 2726454528. Its totient is φ = 426008400.

The previous prime is 1320626221. The next prime is 1320626231. The reversal of 1320626226 is 6226260231.

It is an interprime number because it is at equal distance from previous prime (1320626221) and next prime (1320626231).

It is a junction number, because it is equal to n+sod(n) for n = 1320626193 and 1320626202.

It is not an unprimeable number, because it can be changed into a prime (1320626221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3549885 + ... + 3550256.

It is an arithmetic number, because the mean of its divisors is an integer number (170403408).

Almost surely, 2^1320626226 is an apocalyptic number.

1320626226 is an abundant number, since it is smaller than the sum of its proper divisors (1405828302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320626226 is a wasteful number, since it uses less digits than its factorization.

1320626226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100177.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1320626226 is about 36340.4213789549. The cubic root of 1320626226 is about 1097.1347541961.

Adding to 1320626226 its reverse (6226260231), we get a palindrome (7546886457).

The spelling of 1320626226 in words is "one billion, three hundred twenty million, six hundred twenty-six thousand, two hundred twenty-six".