1224220224 has 56 divisors (see below), whose sum is σ = 3292213888. Its totient is φ = 401379840.

The previous prime is 1224220213. The next prime is 1224220229. The reversal of 1224220224 is 4220224221.

It is a super-2 number, since 2×1224220224² = 2997430313701220352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1224220224.

It is not an unprimeable number, because it can be changed into a prime (1224220229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40552 + ... + 63975.

Almost surely, 2^1224220224 is an apocalyptic number.

It is an amenable number.

1224220224 is an abundant number, since it is smaller than the sum of its proper divisors (2067993664).

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

1224220224 is a wasteful number, since it uses less digits than its factorization.

1224220224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104603 (or 104593 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1224220224 is about 34988.8585695504. The cubic root of 1224220224 is about 1069.7603982097.

Adding to 1224220224 its reverse (4220224221), we get a palindrome (5444444445).

The spelling of 1224220224 in words is "one billion, two hundred twenty-four million, two hundred twenty thousand, two hundred twenty-four".