22130574 has 16 divisors (see below), whose sum is σ = 45096912. Its totient is φ = 7237568.

The previous prime is 22130543. The next prime is 22130579. The reversal of 22130574 is 47503122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130579) 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, 34479 + ... + 35114.

It is an arithmetic number, because the mean of its divisors is an integer number (2818557).

Almost surely, 2^22130574 is an apocalyptic number.

22130574 is an abundant number, since it is smaller than the sum of its proper divisors (22966338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22130574 is a wasteful number, since it uses less digits than its factorization.

22130574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69651.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22130574 is about 4704.3144027584. The cubic root of 22130574 is about 280.7571937004.

Adding to 22130574 its reverse (47503122), we get a palindrome (69633696).

The spelling of 22130574 in words is "twenty-two million, one hundred thirty thousand, five hundred seventy-four".