22331036 has 48 divisors (see below), whose sum is σ = 49674240. Its totient is φ = 8544960.

The previous prime is 22331027. The next prime is 22331039. The reversal of 22331036 is 63013322.

It is a junction number, because it is equal to n+sod(n) for n = 22330999 and 22331017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10295 + ... + 12273.

It is an arithmetic number, because the mean of its divisors is an integer number (1034880).

Almost surely, 2^22331036 is an apocalyptic number.

22331036 is a gapful number since it is divisible by the number (26) 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 22331036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24837120).

22331036 is an abundant number, since it is smaller than the sum of its proper divisors (27343204).

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

22331036 is a wasteful number, since it uses less digits than its factorization.

22331036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 22331036 is about 4725.5725579024. The cubic root of 22331036 is about 281.6023602753.

Adding to 22331036 its reverse (63013322), we get a palindrome (85344358).

The spelling of 22331036 in words is "twenty-two million, three hundred thirty-one thousand, thirty-six".