231946226 has 4 divisors (see below), whose sum is σ = 347919342. Its totient is φ = 115973112.

The previous prime is 231946213. The next prime is 231946301. The reversal of 231946226 is 622649132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 197430601 + 34515625 = 14051^2 + 5875^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57986555 + ... + 57986558.

Almost surely, 2^231946226 is an apocalyptic number.

231946226 is a deficient number, since it is larger than the sum of its proper divisors (115973116).

231946226 is a wasteful number, since it uses less digits than its factorization.

231946226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115973115.

The product of its digits is 31104, while the sum is 35.

The square root of 231946226 is about 15229.7808913983. The cubic root of 231946226 is about 614.4158871110.

The spelling of 231946226 in words is "two hundred thirty-one million, nine hundred forty-six thousand, two hundred twenty-six".