222464019 has 8 divisors (see below), whose sum is σ = 302929920. Its totient is φ = 145153736.

The previous prime is 222464009. The next prime is 222464089. The reversal of 222464019 is 910464222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222464019 is a prime.

It is a super-2 number, since 2×222464019² = 98980479499264722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222464009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788739 + ... + 789020.

It is an arithmetic number, because the mean of its divisors is an integer number (37866240).

Almost surely, 2^222464019 is an apocalyptic number.

222464019 is a deficient number, since it is larger than the sum of its proper divisors (80465901).

222464019 is a wasteful number, since it uses less digits than its factorization.

222464019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577809.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 222464019 is about 14915.2277555524. The cubic root of 222464019 is about 605.9264715982.

The spelling of 222464019 in words is "two hundred twenty-two million, four hundred sixty-four thousand, nineteen".