1001225446 has 16 divisors (see below), whose sum is σ = 1623818448. Its totient is φ = 460260000.

The previous prime is 1001225437. The next prime is 1001225471. The reversal of 1001225446 is 6445221001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001225446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70185 + ... + 83236.

It is an arithmetic number, because the mean of its divisors is an integer number (101488653).

Almost surely, 2^1001225446 is an apocalyptic number.

1001225446 is a deficient number, since it is larger than the sum of its proper divisors (622593002).

1001225446 is a wasteful number, since it uses less digits than its factorization.

1001225446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153687.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1001225446 is about 31642.1466718047. The cubic root of 1001225446 is about 1000.4083152560.

Adding to 1001225446 its reverse (6445221001), we get a palindrome (7446446447).

The spelling of 1001225446 in words is "one billion, one million, two hundred twenty-five thousand, four hundred forty-six".