243220311422 has 8 divisors (see below), whose sum is σ = 397996873272. Its totient is φ = 110554687000.

The previous prime is 243220311409. The next prime is 243220311457. The reversal of 243220311422 is 224113022342.

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

It is a super-2 number, since 2×243220311422² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243220311391 and 243220311400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5527734329 + ... + 5527734372.

It is an arithmetic number, because the mean of its divisors is an integer number (49749609159).

Almost surely, 2^243220311422 is an apocalyptic number.

243220311422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243220311422 is a deficient number, since it is larger than the sum of its proper divisors (154776561850).

243220311422 is a wasteful number, since it uses less digits than its factorization.

243220311422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11055468714.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 243220311422 its reverse (224113022342), we get a palindrome (467333333764).

The spelling of 243220311422 in words is "two hundred forty-three billion, two hundred twenty million, three hundred eleven thousand, four hundred twenty-two".