30222903 has 8 divisors (see below), whose sum is σ = 40360816. Its totient is φ = 20116800.

The previous prime is 30222859. The next prime is 30222911. The reversal of 30222903 is 30922203.

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

It is not a de Polignac number, because 30222903 - 2¹³ = 30214711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30222903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222953) 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, 5638 + ... + 9603.

It is an arithmetic number, because the mean of its divisors is an integer number (5045102).

Almost surely, 2^30222903 is an apocalyptic number.

30222903 is a deficient number, since it is larger than the sum of its proper divisors (10137913).

30222903 is a wasteful number, since it uses less digits than its factorization.

30222903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15905.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30222903 is about 5497.5360844655. The cubic root of 30222903 is about 311.4909207092.

It can be divided in two parts, 30222 and 903, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 30222903 in words is "thirty million, two hundred twenty-two thousand, nine hundred three".