3061224 has 96 divisors (see below), whose sum is σ = 9140040. Its totient is φ = 921600.

The previous prime is 3061187. The next prime is 3061229. The reversal of 3061224 is 4221603.

It is a happy number.

3061224 is a `hidden beast` number, since 30 + 612 + 24 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1397124 + 1664100 = 1182^2 + 1290^2 .

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 = 3061197 and 3061206.

It is not an unprimeable number, because it can be changed into a prime (3061229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50154 + ... + 50214.

Almost surely, 2^3061224 is an apocalyptic number.

3061224 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3061224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4570020).

3061224 is an abundant number, since it is smaller than the sum of its proper divisors (6078816).

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

3061224 is a wasteful number, since it uses less digits than its factorization.

3061224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 124 counting only the distinct ones).

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

The square root of 3061224 is about 1749.6353905886. The cubic root of 3061224 is about 145.1994718010.

Adding to 3061224 its reverse (4221603), we get a palindrome (7282827).

It can be divided in two parts, 306 and 1224, that multiplied together give a square (374544 = 612²).

The spelling of 3061224 in words is "three million, sixty-one thousand, two hundred twenty-four".