22160928 has 96 divisors (see below), whose sum is σ = 63431424. Its totient is φ = 6746112.

The previous prime is 22160893. The next prime is 22160933. The reversal of 22160928 is 82906122.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×22160928² = 982213459642368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22160895 and 22160904.

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, 60201 + ... + 60567.

It is an arithmetic number, because the mean of its divisors is an integer number (660744).

Almost surely, 2^22160928 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 22160928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31715712).

22160928 is an abundant number, since it is smaller than the sum of its proper divisors (41270496).

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

22160928 is a wasteful number, since it uses less digits than its factorization.

22160928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 22160928 is about 4707.5394846990. The cubic root of 22160928 is about 280.8854959992.

The spelling of 22160928 in words is "twenty-two million, one hundred sixty thousand, nine hundred twenty-eight".