22001434 has 48 divisors (see below), whose sum is σ = 43322688. Its totient is φ = 8176896.

The previous prime is 22001387. The next prime is 22001467. The reversal of 22001434 is 43410022.

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, 39949 + ... + 40495.

It is an arithmetic number, because the mean of its divisors is an integer number (902556).

Almost surely, 2^22001434 is an apocalyptic number.

22001434 is a deficient number, since it is larger than the sum of its proper divisors (21321254).

22001434 is a wasteful number, since it uses less digits than its factorization.

22001434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22001434 is about 4690.5686222461. The cubic root of 22001434 is about 280.2100210005.

Adding to 22001434 its reverse (43410022), we get a palindrome (65411456).

The spelling of 22001434 in words is "twenty-two million, one thousand, four hundred thirty-four".