1302131222 has 32 divisors (see below), whose sum is σ = 2283758400. Its totient is φ = 545315328.

The previous prime is 1302131219. The next prime is 1302131249. The reversal of 1302131222 is 2221312031.

It is a self number, because there is not a number n which added to its sum of digits gives 1302131222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105554 + ... + 117242.

It is an arithmetic number, because the mean of its divisors is an integer number (71367450).

Almost surely, 2^1302131222 is an apocalyptic number.

1302131222 is a deficient number, since it is larger than the sum of its proper divisors (981627178).

1302131222 is a wasteful number, since it uses less digits than its factorization.

1302131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11880.

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

The square root of 1302131222 is about 36085.0553830807. The cubic root of 1302131222 is about 1091.9889678294.

Adding to 1302131222 its reverse (2221312031), we get a palindrome (3523443253).

The spelling of 1302131222 in words is "one billion, three hundred two million, one hundred thirty-one thousand, two hundred twenty-two".