225723442024 has 8 divisors (see below), whose sum is σ = 423231453810. Its totient is φ = 112861721008.

The previous prime is 225723442003. The next prime is 225723442093. The reversal of 225723442024 is 420244327522.

It can be written as a sum of positive squares in only one way, i.e., 192003465124 + 33719976900 = 438182^2 + 183630^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14107715119 + ... + 14107715134.

Almost surely, 2^225723442024 is an apocalyptic number.

It is an amenable number.

225723442024 is a deficient number, since it is larger than the sum of its proper divisors (197508011786).

225723442024 is a wasteful number, since it uses less digits than its factorization.

225723442024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28215430259 (or 28215430255 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 37.

Adding to 225723442024 its reverse (420244327522), we get a palindrome (645967769546).

The spelling of 225723442024 in words is "two hundred twenty-five billion, seven hundred twenty-three million, four hundred forty-two thousand, twenty-four".