30222292 has 48 divisors (see below), whose sum is σ = 57435840. Its totient is φ = 13886208.

The previous prime is 30222287. The next prime is 30222301. The reversal of 30222292 is 29222203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364083 + ... + 364165.

It is an arithmetic number, because the mean of its divisors is an integer number (1196580).

Almost surely, 2^30222292 is an apocalyptic number.

It is an amenable number.

30222292 is a deficient number, since it is larger than the sum of its proper divisors (27213548).

30222292 is a wasteful number, since it uses less digits than its factorization.

30222292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30222292 is about 5497.4805138354. The cubic root of 30222292 is about 311.4888216142.

Adding to 30222292 its reverse (29222203), we get a palindrome (59444495).

The spelling of 30222292 in words is "thirty million, two hundred twenty-two thousand, two hundred ninety-two".