22070213 has 8 divisors (see below), whose sum is σ = 24589440. Its totient is φ = 19636480.

The previous prime is 22070203. The next prime is 22070221. The reversal of 22070213 is 31207022.

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 22070213 - 2²² = 17875909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22070191 and 22070200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22070203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20828 + ... + 21861.

It is an arithmetic number, because the mean of its divisors is an integer number (3073680).

Almost surely, 2^22070213 is an apocalyptic number.

It is an amenable number.

22070213 is a deficient number, since it is larger than the sum of its proper divisors (2519227).

22070213 is a wasteful number, since it uses less digits than its factorization.

22070213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42747.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 22070213 is about 4697.8945284031. The cubic root of 22070213 is about 280.5017067924.

Adding to 22070213 its reverse (31207022), we get a palindrome (53277235).

The spelling of 22070213 in words is "twenty-two million, seventy thousand, two hundred thirteen".