225250697 has 24 divisors (see below), whose sum is σ = 280011816. Its totient is φ = 180031488.

The previous prime is 225250667. The next prime is 225250759. The reversal of 225250697 is 796052522.

225250697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2524921 + 222725776 = 1589^2 + 14924^2 .

It is a de Polignac number, because none of the positive numbers 2^k-225250697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225250697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225250637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92933 + ... + 95325.

It is an arithmetic number, because the mean of its divisors is an integer number (11667159).

Almost surely, 2^225250697 is an apocalyptic number.

It is an amenable number.

225250697 is a deficient number, since it is larger than the sum of its proper divisors (54761119).

225250697 is a wasteful number, since it uses less digits than its factorization.

225250697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537 (or 2530 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 225250697 is about 15008.3542402223. The cubic root of 225250697 is about 608.4460104955.

The spelling of 225250697 in words is "two hundred twenty-five million, two hundred fifty thousand, six hundred ninety-seven".