422333631 has 24 divisors (see below), whose sum is σ = 626161536. Its totient is φ = 274211280.

The previous prime is 422333617. The next prime is 422333633. The reversal of 422333631 is 136333224.

It is a happy number.

422333631 is a `hidden beast` number, since 4 + 2 + 23 + 3 + 3 + 631 = 666.

It is not a de Polignac number, because 422333631 - 2¹¹ = 422331583 is a prime.

It is a super-2 number, since 2×422333631² = 356731391747288322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422333595 and 422333604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422333633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49056 + ... + 57018.

It is an arithmetic number, because the mean of its divisors is an integer number (26090064).

Almost surely, 2^422333631 is an apocalyptic number.

422333631 is a deficient number, since it is larger than the sum of its proper divisors (203827905).

422333631 is a wasteful number, since it uses less digits than its factorization.

422333631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123 (or 8120 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 422333631 is about 20550.7574312968. The cubic root of 422333631 is about 750.2716829060.

Adding to 422333631 its reverse (136333224), we get a palindrome (558666855).

The spelling of 422333631 in words is "four hundred twenty-two million, three hundred thirty-three thousand, six hundred thirty-one".