1202221424 has 20 divisors (see below), whose sum is σ = 2330687136. Its totient is φ = 600753792.

The previous prime is 1202221421. The next prime is 1202221429. The reversal of 1202221424 is 4241222021.

It is a junction number, because it is equal to n+sod(n) for n = 1202221396 and 1202221405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202221421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6617 + ... + 49479.

Almost surely, 2^1202221424 is an apocalyptic number.

It is an amenable number.

1202221424 is a deficient number, since it is larger than the sum of its proper divisors (1128465712).

1202221424 is a wasteful number, since it uses less digits than its factorization.

1202221424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44624 (or 44618 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1202221424 is about 34673.0648198281. The cubic root of 1202221424 is about 1063.3138914324.

Adding to 1202221424 its reverse (4241222021), we get a palindrome (5443443445).

The spelling of 1202221424 in words is "one billion, two hundred two million, two hundred twenty-one thousand, four hundred twenty-four".