1322151442 has 16 divisors (see below), whose sum is σ = 2092284000. Its totient is φ = 624879360.

The previous prime is 1322151433. The next prime is 1322151463. The reversal of 1322151442 is 2441512231.

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, 21684 + ... + 55807.

It is an arithmetic number, because the mean of its divisors is an integer number (130767750).

Almost surely, 2^1322151442 is an apocalyptic number.

1322151442 is a deficient number, since it is larger than the sum of its proper divisors (770132558).

1322151442 is a wasteful number, since it uses less digits than its factorization.

1322151442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77961.

The product of its digits is 1920, while the sum is 25.

The square root of 1322151442 is about 36361.4004405771. The cubic root of 1322151442 is about 1097.5569588695.

Adding to 1322151442 its reverse (2441512231), we get a palindrome (3763663673).

The spelling of 1322151442 in words is "one billion, three hundred twenty-two million, one hundred fifty-one thousand, four hundred forty-two".