225622051 has 4 divisors (see below), whose sum is σ = 226125000. Its totient is φ = 225119104.

The previous prime is 225622039. The next prime is 225622063. The reversal of 225622051 is 150226522.

It is a happy number.

225622051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (225622039) and next prime (225622063).

It is a cyclic number.

It is not a de Polignac number, because 225622051 - 2⁷ = 225621923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225622081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250801 + ... + 251698.

It is an arithmetic number, because the mean of its divisors is an integer number (56531250).

Almost surely, 2^225622051 is an apocalyptic number.

225622051 is a deficient number, since it is larger than the sum of its proper divisors (502949).

225622051 is an equidigital number, since it uses as much as digits as its factorization.

225622051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502948.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 225622051 is about 15020.7207217230. The cubic root of 225622051 is about 608.7801934127.

Adding to 225622051 its reverse (150226522), we get a palindrome (375848573).

The spelling of 225622051 in words is "two hundred twenty-five million, six hundred twenty-two thousand, fifty-one".