22061560 has 16 divisors (see below), whose sum is σ = 49638600. Its totient is φ = 8824608.

The previous prime is 22061513. The next prime is 22061569. The reversal of 22061560 is 6516022.

It is a super-3 number, since 3×22061560³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275730 + ... + 275809.

Almost surely, 2^22061560 is an apocalyptic number.

22061560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22061560 is an abundant number, since it is smaller than the sum of its proper divisors (27577040).

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

22061560 is a wasteful number, since it uses less digits than its factorization.

22061560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551550 (or 551546 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 22061560 is about 4696.9734936446. The cubic root of 22061560 is about 280.4650435222.

Adding to 22061560 its reverse (6516022), we get a palindrome (28577582).

The spelling of 22061560 in words is "twenty-two million, sixty-one thousand, five hundred sixty".