2214663621 has 16 divisors (see below), whose sum is σ = 3014807040. Its totient is φ = 1445699520.

The previous prime is 2214663571. The next prime is 2214663623. The reversal of 2214663621 is 1263664122.

It is not a de Polignac number, because 2214663621 - 2²⁶ = 2147554757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214663623) 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, 13675 + ... + 67943.

It is an arithmetic number, because the mean of its divisors is an integer number (188425440).

Almost surely, 2^2214663621 is an apocalyptic number.

It is an amenable number.

2214663621 is a deficient number, since it is larger than the sum of its proper divisors (800143419).

2214663621 is a wasteful number, since it uses less digits than its factorization.

2214663621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54556.

The product of its digits is 20736, while the sum is 33.

The square root of 2214663621 is about 47060.2127173263. The cubic root of 2214663621 is about 1303.4746535507.

The spelling of 2214663621 in words is "two billion, two hundred fourteen million, six hundred sixty-three thousand, six hundred twenty-one".