22400442030 has 32 divisors (see below), whose sum is σ = 53820399744. Its totient is φ = 5966858016.

The previous prime is 22400442017. The next prime is 22400442047. The reversal of 22400442030 is 3024400422.

It is a junction number, because it is equal to n+sod(n) for n = 22400441988 and 22400442006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384412 + ... + 438831.

It is an arithmetic number, because the mean of its divisors is an integer number (1681887492).

Almost surely, 2^22400442030 is an apocalyptic number.

22400442030 is an abundant number, since it is smaller than the sum of its proper divisors (31419957714).

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

22400442030 is a wasteful number, since it uses less digits than its factorization.

22400442030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824160.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22400442030 its reverse (3024400422), we get a palindrome (25424842452).

The spelling of 22400442030 in words is "twenty-two billion, four hundred million, four hundred forty-two thousand, thirty".