22002015 has 16 divisors (see below), whose sum is σ = 40232448. Its totient is φ = 10058016.

The previous prime is 22002011. The next prime is 22002023. The reversal of 22002015 is 51020022.

It is not a de Polignac number, because 22002015 - 2² = 22002011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104667 + ... + 104876.

It is an arithmetic number, because the mean of its divisors is an integer number (2514528).

Almost surely, 2^22002015 is an apocalyptic number.

22002015 is a deficient number, since it is larger than the sum of its proper divisors (18230433).

22002015 is a wasteful number, since it uses less digits than its factorization.

22002015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209558.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 22002015 is about 4690.6305546270. The cubic root of 22002015 is about 280.2124875154.

Adding to 22002015 its reverse (51020022), we get a palindrome (73022037).

The spelling of 22002015 in words is "twenty-two million, two thousand, fifteen".