222676487 has 8 divisors (see below), whose sum is σ = 245650320. Its totient is φ = 200157760.

The previous prime is 222676463. The next prime is 222676507. The reversal of 222676487 is 784676222.

It is a happy number.

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

It is not a de Polignac number, because 222676487 - 2²⁰ = 221627911 is a prime.

It is a super-2 number, since 2×222676487² = 99169635725322338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222676187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112748 + ... + 114705.

It is an arithmetic number, because the mean of its divisors is an integer number (30706290).

Almost surely, 2^222676487 is an apocalyptic number.

222676487 is a deficient number, since it is larger than the sum of its proper divisors (22973833).

222676487 is a wasteful number, since it uses less digits than its factorization.

222676487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227553.

The product of its digits is 451584, while the sum is 44.

The square root of 222676487 is about 14922.3485752076. The cubic root of 222676487 is about 606.1193103065.

The spelling of 222676487 in words is "two hundred twenty-two million, six hundred seventy-six thousand, four hundred eighty-seven".