1304222142 has 16 divisors (see below), whose sum is σ = 2692588032. Its totient is φ = 420716760.

The previous prime is 1304222137. The next prime is 1304222159. The reversal of 1304222142 is 2412224031.

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, 3505788 + ... + 3506159.

It is an arithmetic number, because the mean of its divisors is an integer number (168286752).

Almost surely, 2^1304222142 is an apocalyptic number.

1304222142 is an abundant number, since it is smaller than the sum of its proper divisors (1388365890).

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

1304222142 is a wasteful number, since it uses less digits than its factorization.

1304222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011983.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1304222142 is about 36114.0158664195. The cubic root of 1304222142 is about 1092.5731487205.

Adding to 1304222142 its reverse (2412224031), we get a palindrome (3716446173).

It can be divided in two parts, 1304 and 222142, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 1304222142 in words is "one billion, three hundred four million, two hundred twenty-two thousand, one hundred forty-two".