1352222531 has 8 divisors (see below), whose sum is σ = 1485054000. Its totient is φ = 1221041440.

The previous prime is 1352222519. The next prime is 1352222537.

It is a happy number.

1352222531 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352222531 is a prime.

It is a super-2 number, since 2×1352222531² = 3657011546688091922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1352222531.

It is not an unprimeable number, because it can be changed into a prime (1352222537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410876 + ... + 414153.

It is an arithmetic number, because the mean of its divisors is an integer number (185631750).

Almost surely, 2^1352222531 is an apocalyptic number.

1352222531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1352222531 is a deficient number, since it is larger than the sum of its proper divisors (132831469).

1352222531 is a wasteful number, since it uses less digits than its factorization.

1352222531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825189.

The product of its digits is 3600, while the sum is 26.

The square root of 1352222531 is about 36772.5785198699. The cubic root of 1352222531 is about 1105.8156262611.

The spelling of 1352222531 in words is "one billion, three hundred fifty-two million, two hundred twenty-two thousand, five hundred thirty-one".