1131222302 has 16 divisors (see below), whose sum is σ = 2001795072. Its totient is φ = 469170360.

The previous prime is 1131222293. The next prime is 1131222331. The reversal of 1131222302 is 2032221311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302818 + ... + 1303685.

It is an arithmetic number, because the mean of its divisors is an integer number (125112192).

Almost surely, 2^1131222302 is an apocalyptic number.

1131222302 is a deficient number, since it is larger than the sum of its proper divisors (870572770).

1131222302 is a wasteful number, since it uses less digits than its factorization.

1131222302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606543.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1131222302 is about 33633.6483599386. The cubic root of 1131222302 is about 1041.9558553265.

Adding to 1131222302 its reverse (2032221311), we get a palindrome (3163443613).

Subtracting 1131222302 from its reverse (2032221311), we obtain a palindrome (900999009).

The spelling of 1131222302 in words is "one billion, one hundred thirty-one million, two hundred twenty-two thousand, three hundred two".