1552340322 has 64 divisors (see below), whose sum is σ = 3776008320. Its totient is φ = 469800000.

The previous prime is 1552340263. The next prime is 1552340323. The reversal of 1552340322 is 2230432551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1552340323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24697 + ... + 60947.

It is an arithmetic number, because the mean of its divisors is an integer number (59000130).

Almost surely, 2^1552340322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1552340322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888004160).

1552340322 is an abundant number, since it is smaller than the sum of its proper divisors (2223667998).

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

1552340322 is a wasteful number, since it uses less digits than its factorization.

1552340322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36336 (or 36330 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1552340322 is about 39399.7502783964. The cubic root of 1552340322 is about 1157.8766949704.

Adding to 1552340322 its reverse (2230432551), we get a palindrome (3782772873).

The spelling of 1552340322 in words is "one billion, five hundred fifty-two million, three hundred forty thousand, three hundred twenty-two".