424135722 has 16 divisors (see below), whose sum is σ = 848615040. Its totient is φ = 141321312.

The previous prime is 424135717. The next prime is 424135729. The reversal of 424135722 is 227531424.

It is a super-2 number, since 2×424135722² = 359782221352922568, 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 424135722.

It is not an unprimeable number, because it can be changed into a prime (424135729) 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, 3423 + ... + 29325.

It is an arithmetic number, because the mean of its divisors is an integer number (53038440).

Almost surely, 2^424135722 is an apocalyptic number.

424135722 is an abundant number, since it is smaller than the sum of its proper divisors (424479318).

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

424135722 is a wasteful number, since it uses less digits than its factorization.

424135722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28637.

The product of its digits is 13440, while the sum is 30.

The square root of 424135722 is about 20594.5556397801. Note that the first 3 decimals coincide. The cubic root of 424135722 is about 751.3373011946.

The spelling of 424135722 in words is "four hundred twenty-four million, one hundred thirty-five thousand, seven hundred twenty-two".