22609680 has 40 divisors (see below), whose sum is σ = 70090752. Its totient is φ = 6029184.

The previous prime is 22609663. The next prime is 22609681. The reversal of 22609680 is 8690622.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×22609680² = 1022395259404800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22609681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46864 + ... + 47343.

Almost surely, 2^22609680 is an apocalyptic number.

22609680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22609680 is an abundant number, since it is smaller than the sum of its proper divisors (47481072).

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

22609680 is a wasteful number, since it uses less digits than its factorization.

22609680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94223 (or 94217 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 22609680 is about 4754.9637222591. The cubic root of 22609680 is about 282.7687889975.

The spelling of 22609680 in words is "twenty-two million, six hundred nine thousand, six hundred eighty".