22002913 has 8 divisors (see below), whose sum is σ = 23339232. Its totient is φ = 20671296.

The previous prime is 22002907. The next prime is 22002919. The reversal of 22002913 is 31920022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22002907) and next prime (22002919).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22002913 - 2¹⁷ = 21871841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22002919) 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, 14706 + ... + 16132.

It is an arithmetic number, because the mean of its divisors is an integer number (2917404).

Almost surely, 2^22002913 is an apocalyptic number.

It is an amenable number.

22002913 is a deficient number, since it is larger than the sum of its proper divisors (1336319).

22002913 is a wasteful number, since it uses less digits than its factorization.

22002913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 22002913 is about 4690.7262763883. The cubic root of 22002913 is about 280.2162997024.

Adding to 22002913 its reverse (31920022), we get a palindrome (53922935).

The spelling of 22002913 in words is "twenty-two million, two thousand, nine hundred thirteen".