222434125 has 24 divisors (see below), whose sum is σ = 282360312. Its totient is φ = 174944000.

The previous prime is 222434063. The next prime is 222434129. The reversal of 222434125 is 521434222.

It can be written as a sum of positive squares in 4 ways, for example, as 14699556 + 207734569 = 3834^2 + 14413^2 .

It is not a de Polignac number, because 222434125 - 2¹³ = 222425933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 222434125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222434129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 629949 + ... + 630301.

It is an arithmetic number, because the mean of its divisors is an integer number (11765013).

Almost surely, 2^222434125 is an apocalyptic number.

222434125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222434125 is a deficient number, since it is larger than the sum of its proper divisors (59926187).

222434125 is an frugal number, since it uses more digits than its factorization.

222434125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 429 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 222434125 is about 14914.2255916960. The cubic root of 222434125 is about 605.8993295650.

Adding to 222434125 its reverse (521434222), we get a palindrome (743868347).

The spelling of 222434125 in words is "two hundred twenty-two million, four hundred thirty-four thousand, one hundred twenty-five".