22002013 has 8 divisors (see below), whose sum is σ = 24651360. Its totient is φ = 19460880.

The previous prime is 22002011. The next prime is 22002023. The reversal of 22002013 is 31020022.

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 22002013 - 2¹ = 22002011 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26623 + ... + 27436.

It is an arithmetic number, because the mean of its divisors is an integer number (3081420).

Almost surely, 2^22002013 is an apocalyptic number.

It is an amenable number.

22002013 is a deficient number, since it is larger than the sum of its proper divisors (2649347).

22002013 is a wasteful number, since it uses less digits than its factorization.

22002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54107.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 22002013 is about 4690.6303414360. The cubic root of 22002013 is about 280.2124790249.

Adding to 22002013 its reverse (31020022), we get a palindrome (53022035).

Subtracting 22002013 from its reverse (31020022), we obtain a square (9018009 = 3003²).

The spelling of 22002013 in words is "twenty-two million, two thousand, thirteen".