30223534 has 16 divisors (see below), whose sum is σ = 49838976. Its totient is φ = 13631800.

The previous prime is 30223513. The next prime is 30223549. The reversal of 30223534 is 43532203.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 2362 + ... + 8125.

It is an arithmetic number, because the mean of its divisors is an integer number (3114936).

Almost surely, 2^30223534 is an apocalyptic number.

30223534 is a deficient number, since it is larger than the sum of its proper divisors (19615442).

30223534 is a wasteful number, since it uses less digits than its factorization.

30223534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10631.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 30223534 is about 5497.5934735118. The cubic root of 30223534 is about 311.4930884847.

Adding to 30223534 its reverse (43532203), we get a palindrome (73755737).

It can be divided in two parts, 3022 and 3534, that added together give a palindrome (6556).

The spelling of 30223534 in words is "thirty million, two hundred twenty-three thousand, five hundred thirty-four".