431022452 has 36 divisors (see below), whose sum is σ = 871095456. Its totient is φ = 182804400.

The previous prime is 431022451. The next prime is 431022511. The reversal of 431022452 is 254220134.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431022451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 296327 + ... + 297777.

It is an arithmetic number, because the mean of its divisors is an integer number (24197096).

Almost surely, 2^431022452 is an apocalyptic number.

It is an amenable number.

431022452 is an abundant number, since it is smaller than the sum of its proper divisors (440073004).

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

431022452 is a wasteful number, since it uses less digits than its factorization.

431022452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 431022452 is about 20761.0802223776. The cubic root of 431022452 is about 755.3819987010.

Adding to 431022452 its reverse (254220134), we get a palindrome (685242586).

It can be divided in two parts, 43102 and 2452, that added together give a palindrome (45554).

The spelling of 431022452 in words is "four hundred thirty-one million, twenty-two thousand, four hundred fifty-two".