22059725 has 6 divisors (see below), whose sum is σ = 27354090. Its totient is φ = 17647760.

The previous prime is 22059721. The next prime is 22059743. The reversal of 22059725 is 52795022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3232804 + 18826921 = 1798^2 + 4339^2 .

It is not a de Polignac number, because 22059725 - 2² = 22059721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22059691 and 22059700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22059721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441170 + ... + 441219.

It is an arithmetic number, because the mean of its divisors is an integer number (4559015).

Almost surely, 2^22059725 is an apocalyptic number.

22059725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22059725 is a deficient number, since it is larger than the sum of its proper divisors (5294365).

22059725 is an equidigital number, since it uses as much as digits as its factorization.

22059725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882399 (or 882394 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 22059725 is about 4696.7781510308. The cubic root of 22059725 is about 280.4572672872.

The spelling of 22059725 in words is "twenty-two million, fifty-nine thousand, seven hundred twenty-five".