30220115461 has 4 divisors (see below), whose sum is σ = 30231466272. Its totient is φ = 30208764652.

The previous prime is 30220115441. The next prime is 30220115489. The reversal of 30220115461 is 16451102203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30220115461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220115441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5671411 + ... + 5676736.

It is an arithmetic number, because the mean of its divisors is an integer number (7557866568).

Almost surely, 2^30220115461 is an apocalyptic number.

It is an amenable number.

30220115461 is a deficient number, since it is larger than the sum of its proper divisors (11350811).

30220115461 is a wasteful number, since it uses less digits than its factorization.

30220115461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350810.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 30220115461 its reverse (16451102203), we get a palindrome (46671217664).

The spelling of 30220115461 in words is "thirty billion, two hundred twenty million, one hundred fifteen thousand, four hundred sixty-one".