1226627650 has 72 divisors (see below), whose sum is σ = 2448660240. Its totient is φ = 455889600.

The previous prime is 1226627629. The next prime is 1226627653. The reversal of 1226627650 is 567266221.

It is not an unprimeable number, because it can be changed into a prime (1226627653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3534777 + ... + 3535123.

It is an arithmetic number, because the mean of its divisors is an integer number (34009170).

Almost surely, 2^1226627650 is an apocalyptic number.

1226627650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226627650 is a deficient number, since it is larger than the sum of its proper divisors (1222032590).

1226627650 is a wasteful number, since it uses less digits than its factorization.

1226627650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1226627650 is about 35023.2444242392. The cubic root of 1226627650 is about 1070.4611661041.

The spelling of 1226627650 in words is "one billion, two hundred twenty-six million, six hundred twenty-seven thousand, six hundred fifty".