22040310 has 32 divisors (see below), whose sum is σ = 53125632. Its totient is φ = 5852000.

The previous prime is 22040303. The next prime is 22040353. The reversal of 22040310 is 1304022.

It is a super-2 number, since 2×22040310² = 971550529792200, 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6067 + ... + 8993.

It is an arithmetic number, because the mean of its divisors is an integer number (1660176).

Almost surely, 2^22040310 is an apocalyptic number.

22040310 is an abundant number, since it is smaller than the sum of its proper divisors (31085322).

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

22040310 is a wasteful number, since it uses less digits than its factorization.

22040310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188.

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

The square root of 22040310 is about 4694.7108537161. The cubic root of 22040310 is about 280.3749653237.

Adding to 22040310 its reverse (1304022), we get a palindrome (23344332).

The spelling of 22040310 in words is "twenty-two million, forty thousand, three hundred ten".