431022442 has 16 divisors (see below), whose sum is σ = 651589632. Its totient is φ = 213832080.

The previous prime is 431022439. The next prime is 431022451. The reversal of 431022442 is 244220134.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175648 + ... + 178084.

It is an arithmetic number, because the mean of its divisors is an integer number (40724352).

Almost surely, 2^431022442 is an apocalyptic number.

431022442 is a deficient number, since it is larger than the sum of its proper divisors (220567190).

431022442 is a wasteful number, since it uses less digits than its factorization.

431022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 431022442 is about 20761.0799815424. The cubic root of 431022442 is about 755.3819928592.

Adding to 431022442 its reverse (244220134), we get a palindrome (675242576).

The spelling of 431022442 in words is "four hundred thirty-one million, twenty-two thousand, four hundred forty-two".