30061224 has 48 divisors (see below), whose sum is σ = 81712800. Its totient is φ = 9983904.

The previous prime is 30061223. The next prime is 30061243. The reversal of 30061224 is 42216003.

It is a happy number.

30061224 is a `hidden beast` number, since 30 + 0 + 612 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30061197 and 30061206.

It is not an unprimeable number, because it can be changed into a prime (30061223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25267 + ... + 26429.

It is an arithmetic number, because the mean of its divisors is an integer number (1702350).

Almost surely, 2^30061224 is an apocalyptic number.

It is an amenable number.

30061224 is an abundant number, since it is smaller than the sum of its proper divisors (51651576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30061224 is a wasteful number, since it uses less digits than its factorization.

30061224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30061224 is about 5482.8116874465. The cubic root of 30061224 is about 310.9344816370.

Adding to 30061224 its reverse (42216003), we get a palindrome (72277227).

The spelling of 30061224 in words is "thirty million, sixty-one thousand, two hundred twenty-four".