22326156 has 18 divisors (see below), whose sum is σ = 56435652. Its totient is φ = 7442040.

The previous prime is 22326137. The next prime is 22326167. The reversal of 22326156 is 65162322.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×22326156³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310050 + ... + 310121.

It is an arithmetic number, because the mean of its divisors is an integer number (3135314).

Almost surely, 2^22326156 is an apocalyptic number.

It is an amenable number.

22326156 is an abundant number, since it is smaller than the sum of its proper divisors (34109496).

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

22326156 is a wasteful number, since it uses less digits than its factorization.

22326156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620181 (or 620176 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 22326156 is about 4725.0561901421. The cubic root of 22326156 is about 281.5818459317.

Adding to 22326156 its reverse (65162322), we get a palindrome (87488478).

The spelling of 22326156 in words is "twenty-two million, three hundred twenty-six thousand, one hundred fifty-six".