225716077 has 8 divisors (see below), whose sum is σ = 235071000. Its totient is φ = 216465984.

The previous prime is 225716069. The next prime is 225716107. The reversal of 225716077 is 770617522.

It can be written as a sum of positive squares in 4 ways, for example, as 3884841 + 221831236 = 1971^2 + 14894^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225716077 - 2³ = 225716069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225716027) 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, 21798 + ... + 30439.

It is an arithmetic number, because the mean of its divisors is an integer number (29383875).

Almost surely, 2^225716077 is an apocalyptic number.

It is an amenable number.

225716077 is a deficient number, since it is larger than the sum of its proper divisors (9354923).

225716077 is a wasteful number, since it uses less digits than its factorization.

225716077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52415.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 225716077 is about 15023.8502721506. The cubic root of 225716077 is about 608.8647495933.

The spelling of 225716077 in words is "two hundred twenty-five million, seven hundred sixteen thousand, seventy-seven".