22002113 has 4 divisors (see below), whose sum is σ = 25145280. Its totient is φ = 18858948.

The previous prime is 22002107. The next prime is 22002121. The reversal of 22002113 is 31120022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22002113 - 2⁸ = 22001857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22002094 and 22002103.

It is not an unprimeable number, because it can be changed into a prime (22002163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571573 + ... + 1571586.

It is an arithmetic number, because the mean of its divisors is an integer number (6286320).

Almost surely, 2^22002113 is an apocalyptic number.

It is an amenable number.

22002113 is a deficient number, since it is larger than the sum of its proper divisors (3143167).

22002113 is an equidigital number, since it uses as much as digits as its factorization.

22002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143166.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 22002113 is about 4690.6410009720. The cubic root of 22002113 is about 280.2129035497.

Adding to 22002113 its reverse (31120022), we get a palindrome (53122135).

The spelling of 22002113 in words is "twenty-two million, two thousand, one hundred thirteen".