1222423430 has 16 divisors (see below), whose sum is σ = 2201902704. Its totient is φ = 488627040.

The previous prime is 1222423421. The next prime is 1222423441. The reversal of 1222423430 is 343242221.

It is a junction number, because it is equal to n+sod(n) for n = 1222423396 and 1222423405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27536 + ... + 56595.

It is an arithmetic number, because the mean of its divisors is an integer number (137618919).

Almost surely, 2^1222423430 is an apocalyptic number.

1222423430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222423430 is a deficient number, since it is larger than the sum of its proper divisors (979479274).

1222423430 is a wasteful number, since it uses less digits than its factorization.

1222423430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85591.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1222423430 is about 34963.1724819130. The cubic root of 1222423430 is about 1069.2367777661.

Adding to 1222423430 its reverse (343242221), we get a palindrome (1565665651).

The spelling of 1222423430 in words is "one billion, two hundred twenty-two million, four hundred twenty-three thousand, four hundred thirty".