30124922 has 4 divisors (see below), whose sum is σ = 45187386. Its totient is φ = 15062460.

The previous prime is 30124921. The next prime is 30124949. The reversal of 30124922 is 22942103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25411681 + 4713241 = 5041^2 + 2171^2 .

It is not an unprimeable number, because it can be changed into a prime (30124921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7531229 + ... + 7531232.

Almost surely, 2^30124922 is an apocalyptic number.

30124922 is a deficient number, since it is larger than the sum of its proper divisors (15062464).

30124922 is a wasteful number, since it uses less digits than its factorization.

30124922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15062463.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30124922 is about 5488.6174944151. The cubic root of 30124922 is about 311.1539441120.

The spelling of 30124922 in words is "thirty million, one hundred twenty-four thousand, nine hundred twenty-two".