2225201644 has 24 divisors (see below), whose sum is σ = 4100788160. Its totient is φ = 1053597456.

The previous prime is 2225201633. The next prime is 2225201653. The reversal of 2225201644 is 4461025222.

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, 237619 + ... + 246805.

Almost surely, 2^2225201644 is an apocalyptic number.

It is an amenable number.

2225201644 is a deficient number, since it is larger than the sum of its proper divisors (1875586516).

2225201644 is a wasteful number, since it uses less digits than its factorization.

2225201644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12397 (or 12395 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2225201644 is about 47172.0430339836. The cubic root of 2225201644 is about 1305.5388220382.

Adding to 2225201644 its reverse (4461025222), we get a palindrome (6686226866).

The spelling of 2225201644 in words is "two billion, two hundred twenty-five million, two hundred one thousand, six hundred forty-four".