1204164226 has 8 divisors (see below), whose sum is σ = 1808193420. Its totient is φ = 601433088.

The previous prime is 1204164193. The next prime is 1204164229. The reversal of 1204164226 is 6224614021.

It can be written as a sum of positive squares in 2 ways, for example, as 1203743025 + 421201 = 34695^2 + 649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1204164226² = 2900022966356358152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1204164194 and 1204164203.

It is not an unprimeable number, because it can be changed into a prime (1204164229) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 322191 + ... + 325906.

Almost surely, 2^1204164226 is an apocalyptic number.

1204164226 is a deficient number, since it is larger than the sum of its proper divisors (604029194).

1204164226 is an equidigital number, since it uses as much as digits as its factorization.

1204164226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649028.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1204164226 is about 34701.0695224225. The cubic root of 1204164226 is about 1063.8863585122.

Adding to 1204164226 its reverse (6224614021), we get a palindrome (7428778247).

It can be divided in two parts, 12041 and 64226, that added together give a palindrome (76267).

The spelling of 1204164226 in words is "one billion, two hundred four million, one hundred sixty-four thousand, two hundred twenty-six".