2231155946 has 8 divisors (see below), whose sum is σ = 3409880004. Its totient is φ = 1094529280.

The previous prime is 2231155937. The next prime is 2231155957. The reversal of 2231155946 is 6495511322.

It can be written as a sum of positive squares in 2 ways, for example, as 2224159921 + 6996025 = 47161^2 + 2645^2 .

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

It is a super-3 number, since 3×2231155946³ (a number of 29 digits) contains 333 as substring.

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, 10524215 + ... + 10524426.

Almost surely, 2^2231155946 is an apocalyptic number.

2231155946 is a deficient number, since it is larger than the sum of its proper divisors (1178724058).

2231155946 is a wasteful number, since it uses less digits than its factorization.

2231155946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21048696.

The product of its digits is 64800, while the sum is 38.

The square root of 2231155946 is about 47235.1134856263. The cubic root of 2231155946 is about 1306.7022595325.

The spelling of 2231155946 in words is "two billion, two hundred thirty-one million, one hundred fifty-five thousand, nine hundred forty-six".