22130515 has 16 divisors (see below), whose sum is σ = 30676320. Its totient is φ = 15147520.

The previous prime is 22130513. The next prime is 22130519. The reversal of 22130515 is 51503122.

It is not a de Polignac number, because 22130515 - 2¹ = 22130513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22130492 and 22130501.

It is not an unprimeable number, because it can be changed into a prime (22130513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10900 + ... + 12769.

It is an arithmetic number, because the mean of its divisors is an integer number (1917270).

Almost surely, 2^22130515 is an apocalyptic number.

22130515 is a deficient number, since it is larger than the sum of its proper divisors (8545805).

22130515 is a wasteful number, since it uses less digits than its factorization.

22130515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23702.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 22130515 is about 4704.3081319148. The cubic root of 22130515 is about 280.7569442011.

Adding to 22130515 its reverse (51503122), we get a palindrome (73633637).

The spelling of 22130515 in words is "twenty-two million, one hundred thirty thousand, five hundred fifteen".