1002224045 has 4 divisors (see below), whose sum is σ = 1202668860. Its totient is φ = 801779232.

The previous prime is 1002224039. The next prime is 1002224077. The reversal of 1002224045 is 5404222001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5404222001 = 45893 ⋅117757.

It can be written as a sum of positive squares in 2 ways, for example, as 340808521 + 661415524 = 18461^2 + 25718^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002224045 - 2²² = 998029741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100222400 + ... + 100222409.

It is an arithmetic number, because the mean of its divisors is an integer number (300667215).

Almost surely, 2^1002224045 is an apocalyptic number.

It is an amenable number.

1002224045 is a deficient number, since it is larger than the sum of its proper divisors (200444815).

1002224045 is an equidigital number, since it uses as much as digits as its factorization.

1002224045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200444814.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1002224045 is about 31657.9223102212. The cubic root of 1002224045 is about 1000.7407994140.

Adding to 1002224045 its reverse (5404222001), we get a palindrome (6406446046).

The spelling of 1002224045 in words is "one billion, two million, two hundred twenty-four thousand, forty-five".