1352222340 has 192 divisors, whose sum is σ = 4421910528. Its totient is φ = 302400000.

The previous prime is 1352222323. The next prime is 1352222363. The reversal of 1352222340 is 432222531.

It is a self number, because there is not a number n which added to its sum of digits gives 1352222340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5387215 + ... + 5387465.

It is an arithmetic number, because the mean of its divisors is an integer number (23030784).

Almost surely, 2^1352222340 is an apocalyptic number.

1352222340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1352222340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2210955264).

1352222340 is an abundant number, since it is smaller than the sum of its proper divisors (3069688188).

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

1352222340 is a wasteful number, since it uses less digits than its factorization.

1352222340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1352222340 is about 36772.5759228260. The cubic root of 1352222340 is about 1105.8155741960.

Adding to 1352222340 its reverse (432222531), we get a palindrome (1784444871).

The spelling of 1352222340 in words is "one billion, three hundred fifty-two million, two hundred twenty-two thousand, three hundred forty".