22162356 has 48 divisors (see below), whose sum is σ = 60842880. Its totient is φ = 6952320.

The previous prime is 22162331. The next prime is 22162367. The reversal of 22162356 is 65326122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4200 + ... + 7871.

It is an arithmetic number, because the mean of its divisors is an integer number (1267560).

Almost surely, 2^22162356 is an apocalyptic number.

It is an amenable number.

22162356 is an abundant number, since it is smaller than the sum of its proper divisors (38680524).

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

22162356 is a wasteful number, since it uses less digits than its factorization.

22162356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101 (or 12093 counting only the distinct ones).

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

The square root of 22162356 is about 4707.6911538460. The cubic root of 22162356 is about 280.8915290780.

Adding to 22162356 its reverse (65326122), we get a palindrome (87488478).

The spelling of 22162356 in words is "twenty-two million, one hundred sixty-two thousand, three hundred fifty-six".