30223402 has 16 divisors (see below), whose sum is σ = 49572000. Its totient is φ = 13705840.

The previous prime is 30223373. The next prime is 30223439. The reversal of 30223402 is 20432203.

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, 9849 + ... + 12547.

It is an arithmetic number, because the mean of its divisors is an integer number (3098250).

Almost surely, 2^30223402 is an apocalyptic number.

30223402 is a deficient number, since it is larger than the sum of its proper divisors (19348598).

30223402 is a wasteful number, since it uses less digits than its factorization.

30223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30223402 is about 5497.5814682458. The cubic root of 30223402 is about 311.4926350064.

Adding to 30223402 its reverse (20432203), we get a palindrome (50655605).

It can be divided in two parts, 30223 and 402, that added together give a square (30625 = 175²).

The spelling of 30223402 in words is "thirty million, two hundred twenty-three thousand, four hundred two".