22522061 has 4 divisors (see below), whose sum is σ = 22532124. Its totient is φ = 22512000.

The previous prime is 22522057. The next prime is 22522063. The reversal of 22522061 is 16022522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16022522 = 2 ⋅8011261.

It can be written as a sum of positive squares in 2 ways, for example, as 13097161 + 9424900 = 3619^2 + 3070^2 .

It is a cyclic number.

It is not a de Polignac number, because 22522061 - 2² = 22522057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 6711.

It is an arithmetic number, because the mean of its divisors is an integer number (5633031).

Almost surely, 2^22522061 is an apocalyptic number.

It is an amenable number.

22522061 is a deficient number, since it is larger than the sum of its proper divisors (10063).

22522061 is an equidigital number, since it uses as much as digits as its factorization.

22522061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22522061 is about 4745.7413540984. The cubic root of 22522061 is about 282.4030460620.

Adding to 22522061 its reverse (16022522), we get a palindrome (38544583).

The spelling of 22522061 in words is "twenty-two million, five hundred twenty-two thousand, sixty-one".