22311430420 has 12 divisors (see below), whose sum is σ = 46854003924. Its totient is φ = 8924572160.

The previous prime is 22311430399. The next prime is 22311430433. The reversal of 22311430420 is 2403411322.

It can be written as a sum of positive squares in 2 ways, for example, as 2567246224 + 19744184196 = 50668^2 + 140514^2 .

It is a super-3 number, since 3×22311430420³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22311430391 and 22311430400.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 557785741 + ... + 557785780.

It is an arithmetic number, because the mean of its divisors is an integer number (3904500327).

Almost surely, 2^22311430420 is an apocalyptic number.

22311430420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22311430420 is an abundant number, since it is smaller than the sum of its proper divisors (24542573504).

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

22311430420 is a wasteful number, since it uses less digits than its factorization.

22311430420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115571530 (or 1115571528 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22311430420 its reverse (2403411322), we get a palindrome (24714841742).

The spelling of 22311430420 in words is "twenty-two billion, three hundred eleven million, four hundred thirty thousand, four hundred twenty".