2221663430 has 24 divisors (see below), whose sum is σ = 4651892208. Its totient is φ = 761713008.

The previous prime is 2221663429. The next prime is 2221663447. The reversal of 2221663430 is 343661222.

It is a junction number, because it is equal to n+sod(n) for n = 2221663393 and 2221663402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2266514 + ... + 2267493.

It is an arithmetic number, because the mean of its divisors is an integer number (193828842).

Almost surely, 2^2221663430 is an apocalyptic number.

2221663430 is an abundant number, since it is smaller than the sum of its proper divisors (2430228778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221663430 is a wasteful number, since it uses less digits than its factorization.

2221663430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534028 (or 4534021 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2221663430 is about 47134.5248199237. The cubic root of 2221663430 is about 1304.8464913408.

The spelling of 2221663430 in words is "two billion, two hundred twenty-one million, six hundred sixty-three thousand, four hundred thirty".