1322135044 has 12 divisors (see below), whose sum is σ = 2314689244. Its totient is φ = 660795264.

The previous prime is 1322135021. The next prime is 1322135063. The reversal of 1322135044 is 4405312231.

It can be written as a sum of positive squares in 2 ways, for example, as 338560000 + 983575044 = 18400^2 + 31362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56937 + ... + 76720.

Almost surely, 2^1322135044 is an apocalyptic number.

It is an amenable number.

1322135044 is a deficient number, since it is larger than the sum of its proper divisors (992554200).

1322135044 is a wasteful number, since it uses less digits than its factorization.

1322135044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136134 (or 136132 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1322135044 is about 36361.1749535133. The cubic root of 1322135044 is about 1097.5524213627.

Adding to 1322135044 its reverse (4405312231), we get a palindrome (5727447275).

The spelling of 1322135044 in words is "one billion, three hundred twenty-two million, one hundred thirty-five thousand, forty-four".