1223322430 has 32 divisors (see below), whose sum is σ = 2403717120. Its totient is φ = 444556320.

The previous prime is 1223322427. The next prime is 1223322433. The reversal of 1223322430 is 342233221.

It is an interprime number because it is at equal distance from previous prime (1223322427) and next prime (1223322433).

It is a super-2 number, since 2×1223322430² = 2993035535482209800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223322433) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 243807 + ... + 248773.

It is an arithmetic number, because the mean of its divisors is an integer number (75116160).

Almost surely, 2^1223322430 is an apocalyptic number.

1223322430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223322430 is a deficient number, since it is larger than the sum of its proper divisors (1180394690).

1223322430 is a wasteful number, since it uses less digits than its factorization.

1223322430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1223322430 is about 34976.0265038783. The cubic root of 1223322430 is about 1069.4988278041.

Adding to 1223322430 its reverse (342233221), we get a palindrome (1565555651).

The spelling of 1223322430 in words is "one billion, two hundred twenty-three million, three hundred twenty-two thousand, four hundred thirty".