222842431 has 8 divisors (see below), whose sum is σ = 268081280. Its totient is φ = 180954648.

The previous prime is 222842413. The next prime is 222842449. The reversal of 222842431 is 134248222.

It is an interprime number because it is at equal distance from previous prime (222842413) and next prime (222842449).

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

It is a de Polignac number, because none of the positive numbers 2^k-222842431 is a prime.

It is a super-2 number, since 2×222842431² = 99317498107979522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222842431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222842401) 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, 837621 + ... + 837886.

It is an arithmetic number, because the mean of its divisors is an integer number (33510160).

Almost surely, 2^222842431 is an apocalyptic number.

222842431 is a deficient number, since it is larger than the sum of its proper divisors (45238849).

222842431 is a wasteful number, since it uses less digits than its factorization.

222842431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675533.

The product of its digits is 6144, while the sum is 28.

The square root of 222842431 is about 14927.9077904440. The cubic root of 222842431 is about 606.2698379309.

The spelling of 222842431 in words is "two hundred twenty-two million, eight hundred forty-two thousand, four hundred thirty-one".