1000422200 has 48 divisors (see below), whose sum is σ = 2448411000. Its totient is φ = 379105920.

The previous prime is 1000422197. The next prime is 1000422209. The reversal of 1000422200 is 22240001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000422209) 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, 127835 + ... + 135434.

Almost surely, 2^1000422200 is an apocalyptic number.

1000422200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000422200 is an abundant number, since it is smaller than the sum of its proper divisors (1447988800).

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

1000422200 is a wasteful number, since it uses less digits than its factorization.

1000422200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263304 (or 263295 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1000422200 is about 31629.4514653669. The cubic root of 1000422200 is about 1000.1407135321.

Adding to 1000422200 its reverse (22240001), we get a palindrome (1022662201).

The spelling of 1000422200 in words is "one billion, four hundred twenty-two thousand, two hundred".