222124281 has 8 divisors (see below), whose sum is σ = 300337344. Its totient is φ = 145997040.

The previous prime is 222124247. The next prime is 222124291. The reversal of 222124281 is 182421222.

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

It is not a de Polignac number, because 222124281 - 2¹⁰ = 222123257 is a prime.

It is a super-2 number, since 2×222124281² = 98678392419533922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222124211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521206 + ... + 521631.

It is an arithmetic number, because the mean of its divisors is an integer number (37542168).

Almost surely, 2^222124281 is an apocalyptic number.

It is an amenable number.

222124281 is a deficient number, since it is larger than the sum of its proper divisors (78213063).

222124281 is a wasteful number, since it uses less digits than its factorization.

222124281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042911.

The product of its digits is 1024, while the sum is 24.

The square root of 222124281 is about 14903.8344394991. The cubic root of 222124281 is about 605.6178656953.

The spelling of 222124281 in words is "two hundred twenty-two million, one hundred twenty-four thousand, two hundred eighty-one".