2216636654 has 8 divisors (see below), whose sum is σ = 3395698848. Its totient is φ = 1084737040.

The previous prime is 2216636651. The next prime is 2216636677. The reversal of 2216636654 is 4566366122.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216636651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11790527 + ... + 11790714.

It is an arithmetic number, because the mean of its divisors is an integer number (424462356).

Almost surely, 2^2216636654 is an apocalyptic number.

2216636654 is a deficient number, since it is larger than the sum of its proper divisors (1179062194).

2216636654 is a wasteful number, since it uses less digits than its factorization.

2216636654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23581290.

The product of its digits is 311040, while the sum is 41.

The square root of 2216636654 is about 47081.1709072746. The cubic root of 2216636654 is about 1303.8616250567.

The spelling of 2216636654 in words is "two billion, two hundred sixteen million, six hundred thirty-six thousand, six hundred fifty-four".