22163406 has 16 divisors (see below), whose sum is σ = 44734800. Its totient is φ = 7319808.

The previous prime is 22163377. The next prime is 22163413. The reversal of 22163406 is 60436122.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16291 + ... + 17598.

It is an arithmetic number, because the mean of its divisors is an integer number (2795925).

Almost surely, 2^22163406 is an apocalyptic number.

22163406 is an abundant number, since it is smaller than the sum of its proper divisors (22571394).

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

22163406 is a wasteful number, since it uses less digits than its factorization.

22163406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34003.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22163406 is about 4707.8026721603. The cubic root of 22163406 is about 280.8959650000.

Adding to 22163406 its reverse (60436122), we get a palindrome (82599528).

The spelling of 22163406 in words is "twenty-two million, one hundred sixty-three thousand, four hundred six".