1322211412 has 48 divisors (see below), whose sum is σ = 2391742080. Its totient is φ = 639378432.

The previous prime is 1322211403. The next prime is 1322211437. The reversal of 1322211412 is 2141122231.

It is a self number, because there is not a number n which added to its sum of digits gives 1322211412.

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, 3923308 + ... + 3923644.

It is an arithmetic number, because the mean of its divisors is an integer number (49827960).

Almost surely, 2^1322211412 is an apocalyptic number.

It is an amenable number.

1322211412 is a deficient number, since it is larger than the sum of its proper divisors (1069530668).

1322211412 is a wasteful number, since it uses less digits than its factorization.

1322211412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 638 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 1322211412 is about 36362.2250694316. The cubic root of 1322211412 is about 1097.5735529080.

Adding to 1322211412 its reverse (2141122231), we get a palindrome (3463333643).

The spelling of 1322211412 in words is "one billion, three hundred twenty-two million, two hundred eleven thousand, four hundred twelve".