1243424022 has 24 divisors (see below), whose sum is σ = 2599679544. Its totient is φ = 396453024.

The previous prime is 1243423969. The next prime is 1243424023. The reversal of 1243424022 is 2204243421.

It is a super-2 number, since 2×1243424022² = 3092206596973312968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1243423983 and 1243424001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243424023) 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 11 ways as a sum of consecutive naturals, for example, 192703 + ... + 199050.

It is an arithmetic number, because the mean of its divisors is an integer number (108319981).

Almost surely, 2^1243424022 is an apocalyptic number.

1243424022 is an abundant number, since it is smaller than the sum of its proper divisors (1356255522).

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

1243424022 is a wasteful number, since it uses less digits than its factorization.

1243424022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391804 (or 391781 counting only the distinct ones).

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

The square root of 1243424022 is about 35262.2180527544. The cubic root of 1243424022 is about 1075.3250207410.

Adding to 1243424022 its reverse (2204243421), we get a palindrome (3447667443).

The spelling of 1243424022 in words is "one billion, two hundred forty-three million, four hundred twenty-four thousand, twenty-two".