22111038 has 12 divisors (see below), whose sum is σ = 47907288. Its totient is φ = 7370340.

The previous prime is 22111007. The next prime is 22111039. The reversal of 22111038 is 83011122.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1228391 = 22111038 / (2 + 2 + 1 + 1 + 1 + 0 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 22111038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111039) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 614178 + ... + 614213.

It is an arithmetic number, because the mean of its divisors is an integer number (3992274).

Almost surely, 2^22111038 is an apocalyptic number.

22111038 is an abundant number, since it is smaller than the sum of its proper divisors (25796250).

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

22111038 is a wasteful number, since it uses less digits than its factorization.

22111038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228399 (or 1228396 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 22111038 is about 4702.2375524850. The cubic root of 22111038 is about 280.6745555777.

It can be divided in two parts, 2211 and 1038, that added together give a square (3249 = 57²).

The spelling of 22111038 in words is "twenty-two million, one hundred eleven thousand, thirty-eight".