1226056366 has 4 divisors (see below), whose sum is σ = 1839084552. Its totient is φ = 613028182.

The previous prime is 1226056361. The next prime is 1226056373. The reversal of 1226056366 is 6636506221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6636506221 = 37 ⋅179365033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226056361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306514090 + ... + 306514093.

It is an arithmetic number, because the mean of its divisors is an integer number (459771138).

Almost surely, 2^1226056366 is an apocalyptic number.

1226056366 is a deficient number, since it is larger than the sum of its proper divisors (613028186).

1226056366 is an equidigital number, since it uses as much as digits as its factorization.

1226056366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613028185.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1226056366 is about 35015.0876908798. The cubic root of 1226056366 is about 1070.2949563882.

The spelling of 1226056366 in words is "one billion, two hundred twenty-six million, fifty-six thousand, three hundred sixty-six".