61560022 has 4 divisors (see below), whose sum is σ = 92340036. Its totient is φ = 30780010.

The previous prime is 61560013. The next prime is 61560049. The reversal of 61560022 is 22006516.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 61559975 and 61560002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15390004 + ... + 15390007.

It is an arithmetic number, because the mean of its divisors is an integer number (23085009).

Almost surely, 2^61560022 is an apocalyptic number.

61560022 is a deficient number, since it is larger than the sum of its proper divisors (30780014).

61560022 is a wasteful number, since it uses less digits than its factorization.

61560022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30780013.

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

The square root of 61560022 is about 7846.0195003581. The cubic root of 61560022 is about 394.8507089511.

Adding to 61560022 its reverse (22006516), we get a palindrome (83566538).

The spelling of 61560022 in words is "sixty-one million, five hundred sixty thousand, twenty-two".