30223742 has 16 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 14505120.

The previous prime is 30223723. The next prime is 30223751. The reversal of 30223742 is 24732203.

It is a congruent 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, 9059 + ... + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^30223742 is an apocalyptic number.

30223742 is a deficient number, since it is larger than the sum of its proper divisors (16950658).

30223742 is a wasteful number, since it uses less digits than its factorization.

30223742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 30223742 is about 5497.6123908475. The cubic root of 30223742 is about 311.4938030538.

Adding to 30223742 its reverse (24732203), we get a palindrome (54955945).

The spelling of 30223742 in words is "thirty million, two hundred twenty-three thousand, seven hundred forty-two".