2225320646 has 8 divisors (see below), whose sum is σ = 3400961904. Its totient is φ = 1091666680.

The previous prime is 2225320631. The next prime is 2225320681. The reversal of 2225320646 is 6460235222.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 10496690 + ... + 10496901.

It is an arithmetic number, because the mean of its divisors is an integer number (425120238).

Almost surely, 2^2225320646 is an apocalyptic number.

2225320646 is a deficient number, since it is larger than the sum of its proper divisors (1175641258).

2225320646 is a wasteful number, since it uses less digits than its factorization.

2225320646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20993646.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 2225320646 is about 47173.3043786420. The cubic root of 2225320646 is about 1305.5620946799.

Adding to 2225320646 its reverse (6460235222), we get a palindrome (8685555868).

The spelling of 2225320646 in words is "two billion, two hundred twenty-five million, three hundred twenty thousand, six hundred forty-six".