22113036 has 72 divisors (see below), whose sum is σ = 64209600. Its totient is φ = 6346080.

The previous prime is 22112999. The next prime is 22113043. The reversal of 22113036 is 63031122.

It is a super-2 number, since 2×22113036² = 977972722274592, which contains 22 as substring.

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

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 23 ways as a sum of consecutive naturals, for example, 6055 + ... + 8993.

It is an arithmetic number, because the mean of its divisors is an integer number (891800).

Almost surely, 2^22113036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22113036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32104800).

22113036 is an abundant number, since it is smaller than the sum of its proper divisors (42096564).

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

22113036 is a wasteful number, since it uses less digits than its factorization.

22113036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979 (or 2974 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 22113036 is about 4702.4499997342. The cubic root of 22113036 is about 280.6830094379.

Adding to 22113036 its reverse (63031122), we get a palindrome (85144158).

The spelling of 22113036 in words is "twenty-two million, one hundred thirteen thousand, thirty-six".