22061125 has 8 divisors (see below), whose sum is σ = 27532440. Its totient is φ = 17648800.

The previous prime is 22061113. The next prime is 22061129. The reversal of 22061125 is 52116022.

It can be written as a sum of positive squares in 4 ways, for example, as 2427364 + 19633761 = 1558^2 + 4431^2 .

It is not a de Polignac number, because 22061125 - 2²¹ = 19963973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061129) 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, 88120 + ... + 88369.

It is an arithmetic number, because the mean of its divisors is an integer number (3441555).

Almost surely, 2^22061125 is an apocalyptic number.

22061125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22061125 is a deficient number, since it is larger than the sum of its proper divisors (5471315).

22061125 is an equidigital number, since it uses as much as digits as its factorization.

22061125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176504 (or 176494 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 22061125 is about 4696.9271870022. The cubic root of 22061125 is about 280.4632001486.

Adding to 22061125 its reverse (52116022), we get a palindrome (74177147).

The spelling of 22061125 in words is "twenty-two million, sixty-one thousand, one hundred twenty-five".