1144220194 has 16 divisors (see below), whose sum is σ = 1849434048. Its totient is φ = 527793552.

The previous prime is 1144220191. The next prime is 1144220267. The reversal of 1144220194 is 4910224411.

It is not an unprimeable number, because it can be changed into a prime (1144220191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36109 + ... + 59935.

It is an arithmetic number, because the mean of its divisors is an integer number (115589628).

Almost surely, 2^1144220194 is an apocalyptic number.

1144220194 is a deficient number, since it is larger than the sum of its proper divisors (705213854).

1144220194 is a wasteful number, since it uses less digits than its factorization.

1144220194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25689.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1144220194 is about 33826.3239800011. The cubic root of 1144220194 is about 1045.9314037496.

The spelling of 1144220194 in words is "one billion, one hundred forty-four million, two hundred twenty thousand, one hundred ninety-four".