1000455222 has 32 divisors (see below), whose sum is σ = 2268241920. Its totient is φ = 291630240.

The previous prime is 1000455221. The next prime is 1000455233. The reversal of 1000455222 is 2225540001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000455221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336054 + ... + 339017.

It is an arithmetic number, because the mean of its divisors is an integer number (70882560).

Almost surely, 2^1000455222 is an apocalyptic number.

1000455222 is an abundant number, since it is smaller than the sum of its proper divisors (1267786698).

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

1000455222 is a wasteful number, since it uses less digits than its factorization.

1000455222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675108.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1000455222 is about 31629.9734745384. The cubic root of 1000455222 is about 1000.1517176473.

Adding to 1000455222 its reverse (2225540001), we get a palindrome (3225995223).

The spelling of 1000455222 in words is "one billion, four hundred fifty-five thousand, two hundred twenty-two".