22400404434 has 48 divisors (see below), whose sum is σ = 50362513344. Its totient is φ = 7190416800.

The previous prime is 22400404409. The next prime is 22400404447. The reversal of 22400404434 is 43440400422.

It is a happy number.

22400404434 is a `hidden beast` number, since 224 + 0 + 0 + 4 + 0 + 4 + 434 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22400404398 and 22400404407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148857 + ... + 258764.

It is an arithmetic number, because the mean of its divisors is an integer number (1049219028).

Almost surely, 2^22400404434 is an apocalyptic number.

22400404434 is an abundant number, since it is smaller than the sum of its proper divisors (27962108910).

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

22400404434 is a wasteful number, since it uses less digits than its factorization.

22400404434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407743 (or 407740 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 22400404434 its reverse (43440400422), we get a palindrome (65840804856).

The spelling of 22400404434 in words is "twenty-two billion, four hundred million, four hundred four thousand, four hundred thirty-four".