1224135422 has 24 divisors (see below), whose sum is σ = 1977917616. Its totient is φ = 566245184.

The previous prime is 1224135403. The next prime is 1224135449. The reversal of 1224135422 is 2245314221.

It is a junction number, because it is equal to n+sod(n) for n = 1224135391 and 1224135400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113183 + ... + 123525.

It is an arithmetic number, because the mean of its divisors is an integer number (82413234).

Almost surely, 2^1224135422 is an apocalyptic number.

1224135422 is a deficient number, since it is larger than the sum of its proper divisors (753782194).

1224135422 is a wasteful number, since it uses less digits than its factorization.

1224135422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480 (or 10421 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 1224135422 is about 34987.6467056588. The cubic root of 1224135422 is about 1069.7356967945.

Adding to 1224135422 its reverse (2245314221), we get a palindrome (3469449643).

It can be divided in two parts, 1224 and 135422, that multiplied together give a triangular number (165756528 = T₁₈₂₀₇).

The spelling of 1224135422 in words is "one billion, two hundred twenty-four million, one hundred thirty-five thousand, four hundred twenty-two".