1199400226 has 4 divisors (see below), whose sum is σ = 1799100342. Its totient is φ = 599700112.

The previous prime is 1199400217. The next prime is 1199400227. The reversal of 1199400226 is 6220049911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1076168025 + 123232201 = 32805^2 + 11101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1199400191 and 1199400200.

It is not an unprimeable number, because it can be changed into a prime (1199400227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299850055 + ... + 299850058.

Almost surely, 2^1199400226 is an apocalyptic number.

1199400226 is a deficient number, since it is larger than the sum of its proper divisors (599700116).

1199400226 is an equidigital number, since it uses as much as digits as its factorization.

1199400226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599700115.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1199400226 is about 34632.3580773819. The cubic root of 1199400226 is about 1062.4814966282.

The spelling of 1199400226 in words is "one billion, one hundred ninety-nine million, four hundred thousand, two hundred twenty-six".