2245417221 has 16 divisors (see below), whose sum is σ = 3053491200. Its totient is φ = 1467291888.

The previous prime is 2245417217. The next prime is 2245417243. The reversal of 2245417221 is 1227145422.

It is not a de Polignac number, because 2245417221 - 2² = 2245417217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245417211) 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, 43140 + ... + 79698.

It is an arithmetic number, because the mean of its divisors is an integer number (190843200).

Almost surely, 2^2245417221 is an apocalyptic number.

It is an amenable number.

2245417221 is a deficient number, since it is larger than the sum of its proper divisors (808073979).

2245417221 is a wasteful number, since it uses less digits than its factorization.

2245417221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36968.

The product of its digits is 8960, while the sum is 30.

The square root of 2245417221 is about 47385.8335475910. The cubic root of 2245417221 is about 1309.4804421410.

The spelling of 2245417221 in words is "two billion, two hundred forty-five million, four hundred seventeen thousand, two hundred twenty-one".