30422561 has 8 divisors (see below), whose sum is σ = 33070464. Its totient is φ = 27818640.

The previous prime is 30422551. The next prime is 30422573. The reversal of 30422561 is 16522403.

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

It is a cyclic number.

It is not a de Polignac number, because 30422561 - 2¹⁰ = 30421537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30422551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9545 + ... + 12326.

It is an arithmetic number, because the mean of its divisors is an integer number (4133808).

Almost surely, 2^30422561 is an apocalyptic number.

It is an amenable number.

30422561 is a deficient number, since it is larger than the sum of its proper divisors (2647903).

30422561 is a wasteful number, since it uses less digits than its factorization.

30422561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21991.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30422561 is about 5515.6650550954. The cubic root of 30422561 is about 312.1753376989.

Adding to 30422561 its reverse (16522403), we get a palindrome (46944964).

The spelling of 30422561 in words is "thirty million, four hundred twenty-two thousand, five hundred sixty-one".