225001777 has 48 divisors (see below), whose sum is σ = 310951872. Its totient is φ = 160030080.

The previous prime is 225001759. The next prime is 225001787. The reversal of 225001777 is 777100522.

It is not a de Polignac number, because 225001777 - 2⁷ = 225001649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225001787) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1142043 + ... + 1142239.

It is an arithmetic number, because the mean of its divisors is an integer number (6478164).

Almost surely, 2^225001777 is an apocalyptic number.

It is an amenable number.

225001777 is a deficient number, since it is larger than the sum of its proper divisors (85950095).

225001777 is a wasteful number, since it uses less digits than its factorization.

225001777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 225001777 is about 15000.0592332164. The cubic root of 225001777 is about 608.2218007491.

The spelling of 225001777 in words is "two hundred twenty-five million, one thousand, seven hundred seventy-seven".