30717122 has 6 divisors (see below), whose sum is σ = 46087443. Its totient is φ = 15354642.

The previous prime is 30717107. The next prime is 30717139. The reversal of 30717122 is 22171703.

It can be written as a sum of positive squares in only one way, i.e., 15358561 + 15358561 = 3919^2 + 3919^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3919.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5879 + ... + 9797.

Almost surely, 2^30717122 is an apocalyptic number.

30717122 is a deficient number, since it is larger than the sum of its proper divisors (15370321).

30717122 is an frugal number, since it uses more digits than its factorization.

30717122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7840 (or 3921 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 30717122 is about 5542.3029509402. The cubic root of 30717122 is about 313.1796306156.

Adding to 30717122 its reverse (22171703), we get a palindrome (52888825).

The spelling of 30717122 in words is "thirty million, seven hundred seventeen thousand, one hundred twenty-two".