22040334 has 24 divisors (see below), whose sum is σ = 47971560. Its totient is φ = 7313328.

The previous prime is 22040303. The next prime is 22040353. The reversal of 22040334 is 43304022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1449 + ... + 6795.

It is an arithmetic number, because the mean of its divisors is an integer number (1998815).

Almost surely, 2^22040334 is an apocalyptic number.

22040334 is an abundant number, since it is smaller than the sum of its proper divisors (25931226).

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

22040334 is a wasteful number, since it uses less digits than its factorization.

22040334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584 (or 5581 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22040334 is about 4694.7134097834. The cubic root of 22040334 is about 280.3750670917.

Adding to 22040334 its reverse (43304022), we get a palindrome (65344356).

The spelling of 22040334 in words is "twenty-two million, forty thousand, three hundred thirty-four".