30222231 has 8 divisors (see below), whose sum is σ = 43396080. Its totient is φ = 18598272.

The previous prime is 30222223. The next prime is 30222251. The reversal of 30222231 is 13222203.

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

It is not a de Polignac number, because 30222231 - 2³ = 30222223 is a prime.

It is a super-2 number, since 2×30222231² = 1826766493234722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30222231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222211) 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, 387426 + ... + 387503.

It is an arithmetic number, because the mean of its divisors is an integer number (5424510).

Almost surely, 2^30222231 is an apocalyptic number.

30222231 is a deficient number, since it is larger than the sum of its proper divisors (13173849).

30222231 is a wasteful number, since it uses less digits than its factorization.

30222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774945.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30222231 is about 5497.4749658366. The cubic root of 30222231 is about 311.4886120467.

Adding to 30222231 its reverse (13222203), we get a palindrome (43444434).

It can be divided in two parts, 302222 and 31, that added together give a triangular number (302253 = T₇₇₇).

The spelling of 30222231 in words is "thirty million, two hundred twenty-two thousand, two hundred thirty-one".