1332122428 has 36 divisors (see below), whose sum is σ = 2920427832. Its totient is φ = 526992480.

The previous prime is 1332122419. The next prime is 1332122459. The reversal of 1332122428 is 8242212331.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1332122396 and 1332122405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258858 + ... + 263953.

Almost surely, 2^1332122428 is an apocalyptic number.

It is an amenable number.

1332122428 is an abundant number, since it is smaller than the sum of its proper divisors (1588305404).

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

1332122428 is a wasteful number, since it uses less digits than its factorization.

1332122428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522842 (or 522833 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1332122428 is about 36498.2523965189. The cubic root of 1332122428 is about 1100.3091219379.

Adding to 1332122428 its reverse (8242212331), we get a palindrome (9574334759).

The spelling of 1332122428 in words is "one billion, three hundred thirty-two million, one hundred twenty-two thousand, four hundred twenty-eight".