225601701 has 32 divisors (see below), whose sum is σ = 337585920. Its totient is φ = 133056000.

The previous prime is 225601699. The next prime is 225601709. The reversal of 225601701 is 107106522.

225601701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225601701 - 2¹ = 225601699 is a prime.

It is a super-2 number, since 2×225601701² = 101792254988186802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225601709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170121 + ... + 171441.

It is an arithmetic number, because the mean of its divisors is an integer number (10549560).

Almost surely, 2^225601701 is an apocalyptic number.

It is an amenable number.

225601701 is a deficient number, since it is larger than the sum of its proper divisors (111984219).

225601701 is a wasteful number, since it uses less digits than its factorization.

225601701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 225601701 is about 15020.0433088590. The cubic root of 225601701 is about 608.7618898686.

The spelling of 225601701 in words is "two hundred twenty-five million, six hundred one thousand, seven hundred one".