422143100 has 36 divisors (see below), whose sum is σ = 919045344. Its totient is φ = 168305280.

The previous prime is 422143091. The next prime is 422143153. The reversal of 422143100 is 1341224.

It is a super-2 number, since 2×422143100² = 356409593755220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24557 + ... + 38043.

Almost surely, 2^422143100 is an apocalyptic number.

It is an amenable number.

422143100 is an abundant number, since it is smaller than the sum of its proper divisors (496902244).

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

422143100 is a wasteful number, since it uses less digits than its factorization.

422143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13814 (or 13807 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 422143100 is about 20546.1212884573. The cubic root of 422143100 is about 750.1588404313.

Adding to 422143100 its reverse (1341224), we get a palindrome (423484324).

The spelling of 422143100 in words is "four hundred twenty-two million, one hundred forty-three thousand, one hundred".