1325222142 has 32 divisors (see below), whose sum is σ = 2769534720. Its totient is φ = 421945920.

The previous prime is 1325222113. The next prime is 1325222149. The reversal of 1325222142 is 2412225231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325222149) 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, 98709 + ... + 111327.

It is an arithmetic number, because the mean of its divisors is an integer number (86547960).

Almost surely, 2^1325222142 is an apocalyptic number.

1325222142 is an abundant number, since it is smaller than the sum of its proper divisors (1444312578).

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

1325222142 is a wasteful number, since it uses less digits than its factorization.

1325222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13408.

The product of its digits is 1920, while the sum is 24.

The square root of 1325222142 is about 36403.6006735598. The cubic root of 1325222142 is about 1098.4059948311.

Adding to 1325222142 its reverse (2412225231), we get a palindrome (3737447373).

The spelling of 1325222142 in words is "one billion, three hundred twenty-five million, two hundred twenty-two thousand, one hundred forty-two".