22335432420 has 96 divisors (see below), whose sum is σ = 73779019776. Its totient is φ = 4940553600.

The previous prime is 22335432407. The next prime is 22335432437. The reversal of 22335432420 is 2423453322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 844716 + ... + 870755.

It is an arithmetic number, because the mean of its divisors is an integer number (768531456).

Almost surely, 2^22335432420 is an apocalyptic number.

22335432420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22335432420 is an abundant number, since it is smaller than the sum of its proper divisors (51443587356).

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

22335432420 is a wasteful number, since it uses less digits than its factorization.

22335432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715521 (or 1715519 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 22335432420 its reverse (2423453322), we get a palindrome (24758885742).

The spelling of 22335432420 in words is "twenty-two billion, three hundred thirty-five million, four hundred thirty-two thousand, four hundred twenty".