22001424434 has 24 divisors (see below), whose sum is σ = 36288706860. Its totient is φ = 9996889760.

The previous prime is 22001424413. The next prime is 22001424437. The reversal of 22001424434 is 43442410022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20496217225 + 1505207209 = 143165^2 + 38797^2 .

It is not an unprimeable number, because it can be changed into a prime (22001424437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 688352 + ... + 719604.

Almost surely, 2^22001424434 is an apocalyptic number.

22001424434 is a deficient number, since it is larger than the sum of its proper divisors (14287282426).

22001424434 is a wasteful number, since it uses less digits than its factorization.

22001424434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34186 (or 34175 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22001424434 its reverse (43442410022), we get a palindrome (65443834456).

The spelling of 22001424434 in words is "twenty-two billion, one million, four hundred twenty-four thousand, four hundred thirty-four".