1227228896 has 12 divisors (see below), whose sum is σ = 2416106952. Its totient is φ = 613614432.

The previous prime is 1227228889. The next prime is 1227228923. The reversal of 1227228896 is 6988227221.

It is a self number, because there is not a number n which added to its sum of digits gives 1227228896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19175420 + ... + 19175483.

It is an arithmetic number, because the mean of its divisors is an integer number (201342246).

Almost surely, 2^1227228896 is an apocalyptic number.

1227228896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1227228896 is a deficient number, since it is larger than the sum of its proper divisors (1188878056).

1227228896 is an equidigital number, since it uses as much as digits as its factorization.

1227228896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38350913 (or 38350905 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 1227228896 is about 35031.8269006913. The cubic root of 1227228896 is about 1070.6360372546.

The spelling of 1227228896 in words is "one billion, two hundred twenty-seven million, two hundred twenty-eight thousand, eight hundred ninety-six".