1226411250 has 80 divisors (see below), whose sum is σ = 3148242240. Its totient is φ = 318168000.

The previous prime is 1226411239. The next prime is 1226411269. The reversal of 1226411250 is 521146221.

It is a self number, because there is not a number n which added to its sum of digits gives 1226411250.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 134331 + ... + 143169.

It is an arithmetic number, because the mean of its divisors is an integer number (39353028).

Almost surely, 2^1226411250 is an apocalyptic number.

1226411250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226411250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574121120).

1226411250 is an abundant number, since it is smaller than the sum of its proper divisors (1921830990).

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

1226411250 is an equidigital number, since it uses as much as digits as its factorization.

1226411250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901 (or 8886 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1226411250 is about 35020.1549111365. The cubic root of 1226411250 is about 1070.3982126289.

Adding to 1226411250 its reverse (521146221), we get a palindrome (1747557471).

The spelling of 1226411250 in words is "one billion, two hundred twenty-six million, four hundred eleven thousand, two hundred fifty".