1001225224 has 16 divisors (see below), whose sum is σ = 1879869420. Its totient is φ = 499926720.

The previous prime is 1001225219. The next prime is 1001225227. The reversal of 1001225224 is 4225221001.

It can be written as a sum of positive squares in 2 ways, for example, as 997422724 + 3802500 = 31582^2 + 1950^2 .

It is not an unprimeable number, because it can be changed into a prime (1001225227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79507 + ... + 91234.

Almost surely, 2^1001225224 is an apocalyptic number.

It is an amenable number.

1001225224 is a deficient number, since it is larger than the sum of its proper divisors (878644196).

1001225224 is a wasteful number, since it uses less digits than its factorization.

1001225224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171480 (or 171476 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1001225224 is about 31642.1431638250. The cubic root of 1001225224 is about 1000.4082413163.

Adding to 1001225224 its reverse (4225221001), we get a palindrome (5226446225).

The spelling of 1001225224 in words is "one billion, one million, two hundred twenty-five thousand, two hundred twenty-four".