22302134421 has 64 divisors (see below), whose sum is σ = 36111974400. Its totient is φ = 11975558400.

The previous prime is 22302134419. The next prime is 22302134473. The reversal of 22302134421 is 12443120322.

It is a happy number.

It is not a de Polignac number, because 22302134421 - 2¹ = 22302134419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22302134391 and 22302134400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22302134401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3133615 + ... + 3140723.

It is an arithmetic number, because the mean of its divisors is an integer number (564249600).

Almost surely, 2^22302134421 is an apocalyptic number.

22302134421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22302134421 is a deficient number, since it is larger than the sum of its proper divisors (13809839979).

22302134421 is a wasteful number, since it uses less digits than its factorization.

22302134421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22302134421 its reverse (12443120322), we get a palindrome (34745254743).

The spelling of 22302134421 in words is "twenty-two billion, three hundred two million, one hundred thirty-four thousand, four hundred twenty-one".