1222031130 has 32 divisors (see below), whose sum is σ = 2939587200. Its totient is φ = 325129152.

The previous prime is 1222031089. The next prime is 1222031137. The reversal of 1222031130 is 311302221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1222031137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33225 + ... + 59564.

It is an arithmetic number, because the mean of its divisors is an integer number (91862100).

Almost surely, 2^1222031130 is an apocalyptic number.

1222031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222031130 is an abundant number, since it is smaller than the sum of its proper divisors (1717556070).

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

1222031130 is a wasteful number, since it uses less digits than its factorization.

1222031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93238.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1222031130 is about 34957.5618428975. The cubic root of 1222031130 is about 1069.1223857432.

Adding to 1222031130 its reverse (311302221), we get a palindrome (1533333351).

The spelling of 1222031130 in words is "one billion, two hundred twenty-two million, thirty-one thousand, one hundred thirty".