1242222324 has 72 divisors (see below), whose sum is σ = 3383085888. Its totient is φ = 353727360.

The previous prime is 1242222301. The next prime is 1242222347. The reversal of 1242222324 is 4232222421.

It is an interprime number because it is at equal distance from previous prime (1242222301) and next prime (1242222347).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1242222294 and 1242222303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179472 + ... + 186264.

It is an arithmetic number, because the mean of its divisors is an integer number (46987304).

Almost surely, 2^1242222324 is an apocalyptic number.

1242222324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242222324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1691542944).

1242222324 is an abundant number, since it is smaller than the sum of its proper divisors (2140863564).

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

1242222324 is a wasteful number, since it uses less digits than its factorization.

1242222324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125 (or 7116 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 1242222324 is about 35245.1744782176. The cubic root of 1242222324 is about 1074.9784957660.

Adding to 1242222324 its reverse (4232222421), we get a palindrome (5474444745).

The spelling of 1242222324 in words is "one billion, two hundred forty-two million, two hundred twenty-two thousand, three hundred twenty-four".