1224232398 has 12 divisors (see below), whose sum is σ = 2652503568. Its totient is φ = 408077460.

The previous prime is 1224232391. The next prime is 1224232421. The reversal of 1224232398 is 8932324221.

1224232398 is a `hidden beast` number, since 1 + 2 + 242 + 323 + 98 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224232391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34006438 + ... + 34006473.

It is an arithmetic number, because the mean of its divisors is an integer number (221041964).

Almost surely, 2^1224232398 is an apocalyptic number.

1224232398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1224232398 is an abundant number, since it is smaller than the sum of its proper divisors (1428271170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224232398 is a wasteful number, since it uses less digits than its factorization.

1224232398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68012919 (or 68012916 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 1224232398 is about 34989.0325387828. The cubic root of 1224232398 is about 1069.7639442002.

The spelling of 1224232398 in words is "one billion, two hundred twenty-four million, two hundred thirty-two thousand, three hundred ninety-eight".