22140315 has 12 divisors (see below), whose sum is σ = 38376624. Its totient is φ = 11808144.

The previous prime is 22140299. The next prime is 22140323. The reversal of 22140315 is 51304122.

It is not a de Polignac number, because 22140315 - 2⁴ = 22140299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245959 + ... + 246048.

It is an arithmetic number, because the mean of its divisors is an integer number (3198052).

Almost surely, 2^22140315 is an apocalyptic number.

22140315 is a deficient number, since it is larger than the sum of its proper divisors (16236309).

22140315 is a wasteful number, since it uses less digits than its factorization.

22140315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492018 (or 492015 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22140315 is about 4705.3496150658. The cubic root of 22140315 is about 280.7983803812.

Adding to 22140315 its reverse (51304122), we get a palindrome (73444437).

The spelling of 22140315 in words is "twenty-two million, one hundred forty thousand, three hundred fifteen".