2245021005 has 16 divisors (see below), whose sum is σ = 3614074560. Its totient is φ = 1189997568.

The previous prime is 2245021001. The next prime is 2245021073. The reversal of 2245021005 is 5001205422.

It is a happy number.

It is not a de Polignac number, because 2245021005 - 2² = 2245021001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245021001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456660 + ... + 461549.

It is an arithmetic number, because the mean of its divisors is an integer number (225879660).

Almost surely, 2^2245021005 is an apocalyptic number.

It is an amenable number.

2245021005 is a deficient number, since it is larger than the sum of its proper divisors (1369053555).

2245021005 is a wasteful number, since it uses less digits than its factorization.

2245021005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918380.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2245021005 is about 47381.6526199752. The cubic root of 2245021005 is about 1309.4034159774.

Adding to 2245021005 its reverse (5001205422), we get a palindrome (7246226427).

The spelling of 2245021005 in words is "two billion, two hundred forty-five million, twenty-one thousand, five".