30223705 has 8 divisors (see below), whose sum is σ = 38401992. Its totient is φ = 22756608.

The previous prime is 30223693. The next prime is 30223723. The reversal of 30223705 is 50732203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 944784 + 29278921 = 972^2 + 5411^2 .

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

It is not a de Polignac number, because 30223705 - 2⁵ = 30223673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177702 + ... + 177871.

It is an arithmetic number, because the mean of its divisors is an integer number (4800249).

Almost surely, 2^30223705 is an apocalyptic number.

It is an amenable number.

30223705 is a deficient number, since it is larger than the sum of its proper divisors (8178287).

30223705 is a wasteful number, since it uses less digits than its factorization.

30223705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355595.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 30223705 is about 5497.6090257493. The cubic root of 30223705 is about 311.4936759432.

Adding to 30223705 its reverse (50732203), we get a palindrome (80955908).

The spelling of 30223705 in words is "thirty million, two hundred twenty-three thousand, seven hundred five".