225542051 has 8 divisors (see below), whose sum is σ = 263023200. Its totient is φ = 193321464.

The previous prime is 225542021. The next prime is 225542059. The reversal of 225542051 is 150245522.

It is not a de Polignac number, because 225542051 - 2¹⁴ = 225525667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225542051.

It is not an unprimeable number, because it can be changed into a prime (225542059) 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, 328436 + ... + 329121.

It is an arithmetic number, because the mean of its divisors is an integer number (32877900).

Almost surely, 2^225542051 is an apocalyptic number.

225542051 is a deficient number, since it is larger than the sum of its proper divisors (37481149).

225542051 is an frugal number, since it uses more digits than its factorization.

225542051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657578 (or 657564 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 225542051 is about 15018.0574975594. The cubic root of 225542051 is about 608.7082321060.

Adding to 225542051 its reverse (150245522), we get a palindrome (375787573).

The spelling of 225542051 in words is "two hundred twenty-five million, five hundred forty-two thousand, fifty-one".