30402223 has 8 divisors (see below), whose sum is σ = 32054000. Its totient is φ = 28755648.

The previous prime is 30402209. The next prime is 30402257. The reversal of 30402223 is 32220403.

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

It is a cyclic number.

It is not a de Polignac number, because 30402223 - 2⁵ = 30402191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30402197 and 30402206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18853 + ... + 20401.

It is an arithmetic number, because the mean of its divisors is an integer number (4006750).

Almost surely, 2^30402223 is an apocalyptic number.

30402223 is a deficient number, since it is larger than the sum of its proper divisors (1651777).

30402223 is a wasteful number, since it uses less digits than its factorization.

30402223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601.

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

The square root of 30402223 is about 5513.8210888639. The cubic root of 30402223 is about 312.1057573486.

Adding to 30402223 its reverse (32220403), we get a palindrome (62622626).

It can be divided in two parts, 30402 and 223, that added together give a square (30625 = 175²).

The spelling of 30402223 in words is "thirty million, four hundred two thousand, two hundred twenty-three".