381797224 has 8 divisors (see below), whose sum is σ = 715869810. Its totient is φ = 190898608.

The previous prime is 381797219. The next prime is 381797233. The reversal of 381797224 is 422797183.

It can be written as a sum of positive squares in only one way, i.e., 341880100 + 39917124 = 18490^2 + 6318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23862319 + ... + 23862334.

Almost surely, 2^381797224 is an apocalyptic number.

It is an amenable number.

381797224 is a deficient number, since it is larger than the sum of its proper divisors (334072586).

381797224 is a wasteful number, since it uses less digits than its factorization.

381797224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47724659 (or 47724655 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 381797224 is about 19539.6321357389. The cubic root of 381797224 is about 725.4557413602.

The spelling of 381797224 in words is "three hundred eighty-one million, seven hundred ninety-seven thousand, two hundred twenty-four".