30022948 has 6 divisors (see below), whose sum is σ = 52540166. Its totient is φ = 15011472.

The previous prime is 30022943. The next prime is 30022961. The reversal of 30022948 is 84922003.

It can be written as a sum of positive squares in only one way, i.e., 26811684 + 3211264 = 5178^2 + 1792^2 .

It is a super-2 number, since 2×30022948² = 1802754813221408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30022943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752865 + ... + 3752872.

Almost surely, 2^30022948 is an apocalyptic number.

It is an amenable number.

30022948 is a deficient number, since it is larger than the sum of its proper divisors (22517218).

30022948 is a wasteful number, since it uses less digits than its factorization.

30022948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505741 (or 7505739 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 30022948 is about 5479.3200308067. The cubic root of 30022948 is about 310.8024579266.

The spelling of 30022948 in words is "thirty million, twenty-two thousand, nine hundred forty-eight".