225542077 has 16 divisors (see below), whose sum is σ = 250214400. Its totient is φ = 202325760.

The previous prime is 225542063. The next prime is 225542101. The reversal of 225542077 is 770245522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 225542077 - 2²⁷ = 91324349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225542377) 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, 36052 + ... + 41842.

It is an arithmetic number, because the mean of its divisors is an integer number (15638400).

Almost surely, 2^225542077 is an apocalyptic number.

It is an amenable number.

225542077 is a deficient number, since it is larger than the sum of its proper divisors (24672323).

225542077 is a wasteful number, since it uses less digits than its factorization.

225542077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 225542077 is about 15018.0583631840. The cubic root of 225542077 is about 608.7082554961.

Adding to 225542077 its reverse (770245522), we get a palindrome (995787599).

The spelling of 225542077 in words is "two hundred twenty-five million, five hundred forty-two thousand, seventy-seven".