22061532 has 12 divisors (see below), whose sum is σ = 51476936. Its totient is φ = 7353840.

The previous prime is 22061513. The next prime is 22061569. The reversal of 22061532 is 23516022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22061532² = 973422388374048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22061499 and 22061508.

It is a congruent number.

It is an unprimeable number.

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, 919219 + ... + 919242.

Almost surely, 2^22061532 is an apocalyptic number.

It is an amenable number.

22061532 is an abundant number, since it is smaller than the sum of its proper divisors (29415404).

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

22061532 is a wasteful number, since it uses less digits than its factorization.

22061532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838468 (or 1838466 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22061532 is about 4696.9705130009. The cubic root of 22061532 is about 280.4649248690.

Adding to 22061532 its reverse (23516022), we get a palindrome (45577554).

The spelling of 22061532 in words is "twenty-two million, sixty-one thousand, five hundred thirty-two".