1045311222 has 16 divisors (see below), whose sum is σ = 2181519360. Its totient is φ = 333287592.

The previous prime is 1045311221. The next prime is 1045311247. The reversal of 1045311222 is 2221135401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045311221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3787222 + ... + 3787497.

It is an arithmetic number, because the mean of its divisors is an integer number (136344960).

Almost surely, 2^1045311222 is an apocalyptic number.

1045311222 is an abundant number, since it is smaller than the sum of its proper divisors (1136208138).

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

1045311222 is a wasteful number, since it uses less digits than its factorization.

1045311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574747.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1045311222 is about 32331.2731268040. The cubic root of 1045311222 is about 1014.8811923029.

Adding to 1045311222 its reverse (2221135401), we get a palindrome (3266446623).

The spelling of 1045311222 in words is "one billion, forty-five million, three hundred eleven thousand, two hundred twenty-two".