1223801398 has 8 divisors (see below), whose sum is σ = 1865795760. Its totient is φ = 601869480.

The previous prime is 1223801377. The next prime is 1223801399. The reversal of 1223801398 is 8931083221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223801399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5015458 + ... + 5015701.

It is an arithmetic number, because the mean of its divisors is an integer number (233224470).

Almost surely, 2^1223801398 is an apocalyptic number.

1223801398 is a deficient number, since it is larger than the sum of its proper divisors (641994362).

1223801398 is a wasteful number, since it uses less digits than its factorization.

1223801398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031222.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1223801398 is about 34982.8729237608. The cubic root of 1223801398 is about 1069.6383900492.

The spelling of 1223801398 in words is "one billion, two hundred twenty-three million, eight hundred one thousand, three hundred ninety-eight".