2238306398 has 4 divisors (see below), whose sum is σ = 3357459600. Its totient is φ = 1119153198.

The previous prime is 2238306337. The next prime is 2238306409. The reversal of 2238306398 is 8936038322.

It is a happy number.

2238306398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8936038322 = 2 ⋅4468019161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559576598 + ... + 559576601.

It is an arithmetic number, because the mean of its divisors is an integer number (839364900).

Almost surely, 2^2238306398 is an apocalyptic number.

2238306398 is a deficient number, since it is larger than the sum of its proper divisors (1119153202).

2238306398 is a wasteful number, since it uses less digits than its factorization.

2238306398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119153201.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 2238306398 is about 47310.7429449169. The cubic root of 2238306398 is about 1308.0966859078.

The spelling of 2238306398 in words is "two billion, two hundred thirty-eight million, three hundred six thousand, three hundred ninety-eight".