221222914 has 8 divisors (see below), whose sum is σ = 362001168. Its totient is φ = 100555860.

The previous prime is 221222899. The next prime is 221222929. The reversal of 221222914 is 419222122.

221222914 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221222899) and next prime (221222929).

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

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, 5027772 + ... + 5027815.

It is an arithmetic number, because the mean of its divisors is an integer number (45250146).

Almost surely, 2^221222914 is an apocalyptic number.

221222914 is a deficient number, since it is larger than the sum of its proper divisors (140778254).

221222914 is a wasteful number, since it uses less digits than its factorization.

221222914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055600.

The product of its digits is 1152, while the sum is 25.

The square root of 221222914 is about 14873.5642668461. The cubic root of 221222914 is about 604.7975681370.

The spelling of 221222914 in words is "two hundred twenty-one million, two hundred twenty-two thousand, nine hundred fourteen".