1251224322 has 16 divisors (see below), whose sum is σ = 2503176480. Its totient is φ = 416953472.

The previous prime is 1251224321. The next prime is 1251224323. The reversal of 1251224322 is 2234221521.

It is an interprime number because it is at equal distance from previous prime (1251224321) and next prime (1251224323).

It is a super-3 number, since 3×1251224322³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1251224292 and 1251224301.

It is not an unprimeable number, because it can be changed into a prime (1251224321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6543 + ... + 50450.

It is an arithmetic number, because the mean of its divisors is an integer number (156448530).

Almost surely, 2^1251224322 is an apocalyptic number.

1251224322 is an abundant number, since it is smaller than the sum of its proper divisors (1251952158).

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

1251224322 is a wasteful number, since it uses less digits than its factorization.

1251224322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60657.

The product of its digits is 1920, while the sum is 24.

The square root of 1251224322 is about 35372.6493494621. The cubic root of 1251224322 is about 1077.5689264930.

Adding to 1251224322 its reverse (2234221521), we get a palindrome (3485445843).

The spelling of 1251224322 in words is "one billion, two hundred fifty-one million, two hundred twenty-four thousand, three hundred twenty-two".