1226461620 has 48 divisors (see below), whose sum is σ = 3552514560. Its totient is φ = 315778176.

The previous prime is 1226461603. The next prime is 1226461631. The reversal of 1226461620 is 261646221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 350692 + ... + 354171.

It is an arithmetic number, because the mean of its divisors is an integer number (74010720).

Almost surely, 2^1226461620 is an apocalyptic number.

1226461620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226461620 is an abundant number, since it is smaller than the sum of its proper divisors (2326052940).

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

1226461620 is a wasteful number, since it uses less digits than its factorization.

1226461620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704904 (or 704902 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1226461620 is about 35020.8740610511. The cubic root of 1226461620 is about 1070.4128665551.

The spelling of 1226461620 in words is "one billion, two hundred twenty-six million, four hundred sixty-one thousand, six hundred twenty".