424223235450 has 432 divisors, whose sum is σ = 1367429632920. Its totient is φ = 93945277440.

The previous prime is 424223235379. The next prime is 424223235511. The reversal of 424223235450 is 54532322424.

424223235450 is a `hidden beast` number, since 4 + 24 + 2 + 232 + 354 + 50 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 38958469641 + 385264765809 = 197379^2 + 620697^2 .

It is a super-2 number, since 2×424223235450² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 219462684 + ... + 219464616.

Almost surely, 2^424223235450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424223235450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683714816460).

424223235450 is an abundant number, since it is smaller than the sum of its proper divisors (943206397470).

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

424223235450 is a wasteful number, since it uses less digits than its factorization.

424223235450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 424223235450 its reverse (54532322424), we get a palindrome (478755557874).

The spelling of 424223235450 in words is "four hundred twenty-four billion, two hundred twenty-three million, two hundred thirty-five thousand, four hundred fifty".