30101222 has 8 divisors (see below), whose sum is σ = 45566400. Its totient is φ = 14912424.

The previous prime is 30101221. The next prime is 30101251. The reversal of 30101222 is 22210103.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101221) 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, 68822 + ... + 69257.

It is an arithmetic number, because the mean of its divisors is an integer number (5695800).

Almost surely, 2^30101222 is an apocalyptic number.

30101222 is a deficient number, since it is larger than the sum of its proper divisors (15465178).

30101222 is a wasteful number, since it uses less digits than its factorization.

30101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138190.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30101222 is about 5486.4580559775. The cubic root of 30101222 is about 311.0723252763.

Adding to 30101222 its reverse (22210103), we get a palindrome (52311325).

The spelling of 30101222 in words is "thirty million, one hundred one thousand, two hundred twenty-two".