1229284798 has 8 divisors (see below), whose sum is σ = 2107345392. Its totient is φ = 526836336.

The previous prime is 1229284787. The next prime is 1229284811. The reversal of 1229284798 is 8974829221.

It is a happy number.

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

It is a super-2 number, since 2×1229284798² = 3022282229187801608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43903015 + ... + 43903042.

It is an arithmetic number, because the mean of its divisors is an integer number (263418174).

Almost surely, 2^1229284798 is an apocalyptic number.

1229284798 is a deficient number, since it is larger than the sum of its proper divisors (878060594).

1229284798 is an equidigital number, since it uses as much as digits as its factorization.

1229284798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87806066.

The product of its digits is 1161216, while the sum is 52.

The square root of 1229284798 is about 35061.1579671864. The cubic root of 1229284798 is about 1071.2335608800.

The spelling of 1229284798 in words is "one billion, two hundred twenty-nine million, two hundred eighty-four thousand, seven hundred ninety-eight".