222532425 has 36 divisors (see below), whose sum is σ = 406122444. Its totient is φ = 116438400.

The previous prime is 222532423. The next prime is 222532487. The reversal of 222532425 is 524235222.

It can be written as a sum of positive squares in 6 ways, for example, as 15776784 + 206755641 = 3972^2 + 14379^2 .

It is not a de Polignac number, because 222532425 - 2¹ = 222532423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222532421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2595 + ... + 21255.

It is an arithmetic number, because the mean of its divisors is an integer number (11281179).

Almost surely, 2^222532425 is an apocalyptic number.

222532425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222532425 is a deficient number, since it is larger than the sum of its proper divisors (183590019).

222532425 is a wasteful number, since it uses less digits than its factorization.

222532425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18730 (or 18722 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 222532425 is about 14917.5207390504. The cubic root of 222532425 is about 605.9885711664.

Adding to 222532425 its reverse (524235222), we get a palindrome (746767647).

The spelling of 222532425 in words is "two hundred twenty-two million, five hundred thirty-two thousand, four hundred twenty-five".