222525201 has 16 divisors (see below), whose sum is σ = 299452608. Its totient is φ = 146980800.

The previous prime is 222525197. The next prime is 222525203. The reversal of 222525201 is 102525222.

222525201 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 222525201 - 2² = 222525197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222525203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187831 + ... + 189011.

It is an arithmetic number, because the mean of its divisors is an integer number (18715788).

Almost surely, 2^222525201 is an apocalyptic number.

It is an amenable number.

222525201 is a deficient number, since it is larger than the sum of its proper divisors (76927407).

222525201 is a wasteful number, since it uses less digits than its factorization.

222525201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 222525201 is about 14917.2786056975. The cubic root of 222525201 is about 605.9820137567.

Adding to 222525201 its sum of digits (21), we get a palindrome (222525222).

The spelling of 222525201 in words is "two hundred twenty-two million, five hundred twenty-five thousand, two hundred one".