2231450194 has 4 divisors (see below), whose sum is σ = 3347175294. Its totient is φ = 1115725096.

The previous prime is 2231450183. The next prime is 2231450197. The reversal of 2231450194 is 4910541322.

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., 2214925969 + 16524225 = 47063^2 + 4065^2 .

It is a super-3 number, since 3×2231450194³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231450197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557862547 + ... + 557862550.

Almost surely, 2^2231450194 is an apocalyptic number.

2231450194 is a deficient number, since it is larger than the sum of its proper divisors (1115725100).

2231450194 is a wasteful number, since it uses less digits than its factorization.

2231450194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115725099.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2231450194 is about 47238.2280997076. The cubic root of 2231450194 is about 1306.7597002544.

The spelling of 2231450194 in words is "two billion, two hundred thirty-one million, four hundred fifty thousand, one hundred ninety-four".