30256222 has 8 divisors (see below), whose sum is σ = 46949400. Its totient is φ = 14606424.

The previous prime is 30256207. The next prime is 30256229. The reversal of 30256222 is 22265203.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 30256193 and 30256202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30256229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260772 + ... + 260887.

It is an arithmetic number, because the mean of its divisors is an integer number (5868675).

Almost surely, 2^30256222 is an apocalyptic number.

30256222 is a deficient number, since it is larger than the sum of its proper divisors (16693178).

30256222 is a wasteful number, since it uses less digits than its factorization.

30256222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521690.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30256222 is about 5500.5656072808. The cubic root of 30256222 is about 311.6053455700.

The spelling of 30256222 in words is "thirty million, two hundred fifty-six thousand, two hundred twenty-two".