1242222 has 8 divisors (see below), whose sum is σ = 2484456. Its totient is φ = 414072.

The previous prime is 1242221. The next prime is 1242233. The reversal of 1242222 is 2222421.

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

1242222 is an admirable number.

1242222 is a modest number, since divided by 2222 gives 124 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103513 + ... + 103524.

It is an arithmetic number, because the mean of its divisors is an integer number (310557).

2^1242222 is an apocalyptic number.

1242222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242222 is a wasteful number, since it uses less digits than its factorization.

1242222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207042.

The product of its digits is 128, while the sum is 15.

The square root of 1242222 is about 1114.5501334619. The cubic root of 1242222 is about 107.4978402306.

Adding to 1242222 its reverse (2222421), we get a palindrome (3464643).

It can be divided in two parts, 124 and 2222, that added together give a triangular number (2346 = T₆₈).

The spelling of 1242222 in words is "one million, two hundred forty-two thousand, two hundred twenty-two".