1252222430 has 8 divisors (see below), whose sum is σ = 2254000392. Its totient is φ = 500888968.

The previous prime is 1252222403. The next prime is 1252222441. The reversal of 1252222430 is 342222521.

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

It is a super-2 number, since 2×1252222430² = 3136122028390209800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252222396 and 1252222405.

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 3 ways as a sum of consecutive naturals, for example, 62611112 + ... + 62611131.

It is an arithmetic number, because the mean of its divisors is an integer number (281750049).

Almost surely, 2^1252222430 is an apocalyptic number.

1252222430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252222430 is a deficient number, since it is larger than the sum of its proper divisors (1001777962).

1252222430 is a wasteful number, since it uses less digits than its factorization.

1252222430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125222250.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1252222430 is about 35386.7550080535. The cubic root of 1252222430 is about 1077.8553777415.

Adding to 1252222430 its reverse (342222521), we get a palindrome (1594444951).

Subtracting from 1252222430 its reverse (342222521), we obtain a palindrome (909999909).

The spelling of 1252222430 in words is "one billion, two hundred fifty-two million, two hundred twenty-two thousand, four hundred thirty".