22034012 has 48 divisors (see below), whose sum is σ = 51781632. Its totient is φ = 7922880.

The previous prime is 22034011. The next prime is 22034027. The reversal of 22034012 is 21043022.

It is a super-2 number, since 2×22034012² = 970995369632288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22034011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1253 + ... + 6755.

It is an arithmetic number, because the mean of its divisors is an integer number (1078784).

Almost surely, 2^22034012 is an apocalyptic number.

22034012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22034012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25890816).

22034012 is an abundant number, since it is smaller than the sum of its proper divisors (29747620).

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

22034012 is a wasteful number, since it uses less digits than its factorization.

22034012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538 (or 5536 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22034012 is about 4694.0400509582. The cubic root of 22034012 is about 280.3482571429.

Adding to 22034012 its reverse (21043022), we get a palindrome (43077034).

The spelling of 22034012 in words is "twenty-two million, thirty-four thousand, twelve".