22061530 has 8 divisors (see below), whose sum is σ = 39710772. Its totient is φ = 8824608.

The previous prime is 22061513. The next prime is 22061569. The reversal of 22061530 is 3516022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21911761 + 149769 = 4681^2 + 387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22061530² = 973422211881800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22061498 and 22061507.

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, 1103067 + ... + 1103086.

Almost surely, 2^22061530 is an apocalyptic number.

22061530 is a deficient number, since it is larger than the sum of its proper divisors (17649242).

22061530 is a wasteful number, since it uses less digits than its factorization.

22061530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206160.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 22061530 is about 4696.9703000977. The cubic root of 22061530 is about 280.4649163938.

Adding to 22061530 its reverse (3516022), we get a palindrome (25577552).

The spelling of 22061530 in words is "twenty-two million, sixty-one thousand, five hundred thirty".