1224654652 has 24 divisors (see below), whose sum is σ = 2429478800. Its totient is φ = 535476096.

The previous prime is 1224654649. The next prime is 1224654677. The reversal of 1224654652 is 2564564221.

It is a happy number.

It is a super-2 number, since 2×1224654652² = 2999558033330482208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618777 + ... + 620752.

Almost surely, 2^1224654652 is an apocalyptic number.

It is an amenable number.

1224654652 is a deficient number, since it is larger than the sum of its proper divisors (1204824148).

1224654652 is a wasteful number, since it uses less digits than its factorization.

1224654652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239565 (or 1239563 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 1224654652 is about 34995.0661093818. The cubic root of 1224654652 is about 1069.8869219892.

The spelling of 1224654652 in words is "one billion, two hundred twenty-four million, six hundred fifty-four thousand, six hundred fifty-two".