22102340432 has 20 divisors (see below), whose sum is σ = 42897519636. Its totient is φ = 11032012800.

The previous prime is 22102340357. The next prime is 22102340471. The reversal of 22102340432 is 23404320122.

It can be written as a sum of positive squares in 2 ways, for example, as 17778488896 + 4323851536 = 133336^2 + 65756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22102340398 and 22102340407.

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, 1187819 + ... + 1206282.

Almost surely, 2^22102340432 is an apocalyptic number.

It is an amenable number.

22102340432 is a deficient number, since it is larger than the sum of its proper divisors (20795179204).

22102340432 is a wasteful number, since it uses less digits than its factorization.

22102340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394686 (or 2394680 counting only the distinct ones).

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

Adding to 22102340432 its reverse (23404320122), we get a palindrome (45506660554).

The spelling of 22102340432 in words is "twenty-two billion, one hundred two million, three hundred forty thousand, four hundred thirty-two".