22420160 has 56 divisors (see below), whose sum is σ = 61020960. Its totient is φ = 7686144.

The previous prime is 22420159. The next prime is 22420163. The reversal of 22420160 is 6102422.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (22420163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2765 + ... + 7244.

It is an arithmetic number, because the mean of its divisors is an integer number (1089660).

Almost surely, 2^22420160 is an apocalyptic number.

22420160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22420160 is an abundant number, since it is smaller than the sum of its proper divisors (38600800).

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

22420160 is a wasteful number, since it uses less digits than its factorization.

22420160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033 (or 10023 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22420160 is about 4734.9931362147. The cubic root of 22420160 is about 281.9764915098.

Adding to 22420160 its reverse (6102422), we get a palindrome (28522582).

The spelling of 22420160 in words is "twenty-two million, four hundred twenty thousand, one hundred sixty".