1229814946 has 4 divisors (see below), whose sum is σ = 1844722422. Its totient is φ = 614907472.

The previous prime is 1229814923. The next prime is 1229814983. The reversal of 1229814946 is 6494189221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6494189221 = 13 ⋅499553017.

It can be written as a sum of positive squares in only one way, i.e., 926532721 + 303282225 = 30439^2 + 17415^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1229814896 and 1229814905.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307453735 + ... + 307453738.

Almost surely, 2^1229814946 is an apocalyptic number.

1229814946 is a deficient number, since it is larger than the sum of its proper divisors (614907476).

1229814946 is an equidigital number, since it uses as much as digits as its factorization.

1229814946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614907475.

The product of its digits is 248832, while the sum is 46.

The square root of 1229814946 is about 35068.7174843906. The cubic root of 1229814946 is about 1071.3875340710.

The spelling of 1229814946 in words is "one billion, two hundred twenty-nine million, eight hundred fourteen thousand, nine hundred forty-six".