22002213 has 8 divisors (see below), whose sum is σ = 30348000. Its totient is φ = 14162288.

The previous prime is 22002203. The next prime is 22002217. The reversal of 22002213 is 31220022.

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 22002213 - 2⁹ = 22001701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002217) 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, 126363 + ... + 126536.

It is an arithmetic number, because the mean of its divisors is an integer number (3793500).

Almost surely, 2^22002213 is an apocalyptic number.

It is an amenable number.

22002213 is a deficient number, since it is larger than the sum of its proper divisors (8345787).

22002213 is a wasteful number, since it uses less digits than its factorization.

22002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252931.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22002213 is about 4690.6516604839. The cubic root of 22002213 is about 280.2133280733.

Adding to 22002213 its reverse (31220022), we get a palindrome (53222235).

The spelling of 22002213 in words is "twenty-two million, two thousand, two hundred thirteen".