1226200456 has 48 divisors (see below), whose sum is σ = 2499981300. Its totient is φ = 563576832.

The previous prime is 1226200447. The next prime is 1226200457. The reversal of 1226200456 is 6540026221.

It can be written as a sum of positive squares in 6 ways, for example, as 269288100 + 956912356 = 16410^2 + 30934^2 .

It is not an unprimeable number, because it can be changed into a prime (1226200457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345700 + ... + 349228.

Almost surely, 2^1226200456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226200456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249990650).

1226200456 is an abundant number, since it is smaller than the sum of its proper divisors (1273780844).

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

1226200456 is a wasteful number, since it uses less digits than its factorization.

1226200456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818 (or 3801 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1226200456 is about 35017.1451720439. The cubic root of 1226200456 is about 1070.3368828889.

Adding to 1226200456 its reverse (6540026221), we get a palindrome (7766226677).

The spelling of 1226200456 in words is "one billion, two hundred twenty-six million, two hundred thousand, four hundred fifty-six".