1322222430 has 32 divisors (see below), whose sum is σ = 3360001824. Its totient is φ = 331851776.

The previous prime is 1322222399. The next prime is 1322222449. The reversal of 1322222430 is 342222231.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1322222397 and 1322222406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295787 + ... + 1296806.

It is an arithmetic number, because the mean of its divisors is an integer number (105000057).

Almost surely, 2^1322222430 is an apocalyptic number.

1322222430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1322222430 is an abundant number, since it is smaller than the sum of its proper divisors (2037779394).

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

1322222430 is a wasteful number, since it uses less digits than its factorization.

1322222430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592620.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1322222430 is about 36362.3765724959. The cubic root of 1322222430 is about 1097.5766015964.

Adding to 1322222430 its reverse (342222231), we get a palindrome (1664444661).

The spelling of 1322222430 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand, four hundred thirty".