1131020222 has 8 divisors (see below), whose sum is σ = 1697723496. Its totient is φ = 565112392.

The previous prime is 1131020221. The next prime is 1131020227. The reversal of 1131020222 is 2220201311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1131020197 and 1131020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131020221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195293 + ... + 201000.

It is an arithmetic number, because the mean of its divisors is an integer number (212215437).

Almost surely, 2^1131020222 is an apocalyptic number.

1131020222 is a deficient number, since it is larger than the sum of its proper divisors (566703274).

1131020222 is a wasteful number, since it uses less digits than its factorization.

1131020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397722.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1131020222 is about 33630.6440913641. The cubic root of 1131020222 is about 1041.8938071102.

Adding to 1131020222 its reverse (2220201311), we get a palindrome (3351221533).

The spelling of 1131020222 in words is "one billion, one hundred thirty-one million, twenty thousand, two hundred twenty-two".