225237377 has 4 divisors (see below), whose sum is σ = 225390336. Its totient is φ = 225084420.

The previous prime is 225237361. The next prime is 225237379. The reversal of 225237377 is 773732522.

225237377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773732522 = 2 ⋅386866261.

It is a cyclic number.

It is not a de Polignac number, because 225237377 - 2⁴ = 225237361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225237377.

It is not an unprimeable number, because it can be changed into a prime (225237379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74249 + ... + 77222.

It is an arithmetic number, because the mean of its divisors is an integer number (56347584).

Almost surely, 2^225237377 is an apocalyptic number.

It is an amenable number.

225237377 is a deficient number, since it is larger than the sum of its proper divisors (152959).

225237377 is a wasteful number, since it uses less digits than its factorization.

225237377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152958.

The product of its digits is 123480, while the sum is 38.

The square root of 225237377 is about 15007.9104808098. The cubic root of 225237377 is about 608.4340169542.

Adding to 225237377 its reverse (773732522), we get a palindrome (998969899).

The spelling of 225237377 in words is "two hundred twenty-five million, two hundred thirty-seven thousand, three hundred seventy-seven".