22041312 has 48 divisors (see below), whose sum is σ = 58101120. Its totient is φ = 7316352.

The previous prime is 22041301. The next prime is 22041317. The reversal of 22041312 is 21314022.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 22041291 and 22041300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22041317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41883 + ... + 42405.

It is an arithmetic number, because the mean of its divisors is an integer number (1210440).

Almost surely, 2^22041312 is an apocalyptic number.

It is an amenable number.

22041312 is an abundant number, since it is smaller than the sum of its proper divisors (36059808).

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

22041312 is a wasteful number, since it uses less digits than its factorization.

22041312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22041312 is about 4694.8175683406. The cubic root of 22041312 is about 280.3792140760.

Adding to 22041312 its reverse (21314022), we get a palindrome (43355334).

The spelling of 22041312 in words is "twenty-two million, forty-one thousand, three hundred twelve".