2243203146 has 40 divisors (see below), whose sum is σ = 5052023460. Its totient is φ = 743928192.

The previous prime is 2243203117. The next prime is 2243203153. The reversal of 2243203146 is 6413023422.

2243203146 is a `hidden beast` number, since 2 + 24 + 320 + 314 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1347697521 + 895505625 = 36711^2 + 29925^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3231 + ... + 67058.

Almost surely, 2^2243203146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243203146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2526011730).

2243203146 is an abundant number, since it is smaller than the sum of its proper divisors (2808820314).

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

2243203146 is a wasteful number, since it uses less digits than its factorization.

2243203146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70500 (or 70491 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 2243203146 is about 47362.4655819352. The cubic root of 2243203146 is about 1309.0498998280.

Adding to 2243203146 its reverse (6413023422), we get a palindrome (8656226568).

The spelling of 2243203146 in words is "two billion, two hundred forty-three million, two hundred three thousand, one hundred forty-six".