22013310 has 64 divisors (see below), whose sum is σ = 59076864. Its totient is φ = 5203200.

The previous prime is 22013281. The next prime is 22013339. The reversal of 22013310 is 1331022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22013281) and next prime (22013339).

It is a super-2 number, since 2×22013310² = 969171634312200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12717 + ... + 14343.

It is an arithmetic number, because the mean of its divisors is an integer number (923076).

Almost surely, 2^22013310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22013310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29538432).

22013310 is an abundant number, since it is smaller than the sum of its proper divisors (37063554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22013310 is a wasteful number, since it uses less digits than its factorization.

22013310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 22013310 is about 4691.8343960545. The cubic root of 22013310 is about 280.2604294668.

Adding to 22013310 its reverse (1331022), we get a palindrome (23344332).

It can be divided in two parts, 220 and 13310, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 22013310 in words is "twenty-two million, thirteen thousand, three hundred ten".