1124222440 has 64 divisors (see below), whose sum is σ = 2848504320. Its totient is φ = 395616000.

The previous prime is 1124222399. The next prime is 1124222447. The reversal of 1124222440 is 442224211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1124222447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27571 + ... + 54850.

It is an arithmetic number, because the mean of its divisors is an integer number (44507880).

Almost surely, 2^1124222440 is an apocalyptic number.

1124222440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124222440 is an abundant number, since it is smaller than the sum of its proper divisors (1724281880).

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

1124222440 is a wasteful number, since it uses less digits than its factorization.

1124222440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82474 (or 82470 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1124222440 is about 33529.4264788409. The cubic root of 1124222440 is about 1039.8022429707.

Adding to 1124222440 its reverse (442224211), we get a palindrome (1566446651).

The spelling of 1124222440 in words is "one billion, one hundred twenty-four million, two hundred twenty-two thousand, four hundred forty".