22071434 has 32 divisors (see below), whose sum is σ = 41513472. Its totient is φ = 8550000.

The previous prime is 22071433. The next prime is 22071461. The reversal of 22071434 is 43417022.

It is not an unprimeable number, because it can be changed into a prime (22071431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38369 + ... + 38939.

It is an arithmetic number, because the mean of its divisors is an integer number (1297296).

Almost surely, 2^22071434 is an apocalyptic number.

22071434 is a deficient number, since it is larger than the sum of its proper divisors (19442038).

22071434 is a wasteful number, since it uses less digits than its factorization.

22071434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 22071434 is about 4698.0244784377. The cubic root of 22071434 is about 280.5068794696.

Adding to 22071434 its reverse (43417022), we get a palindrome (65488456).

The spelling of 22071434 in words is "twenty-two million, seventy-one thousand, four hundred thirty-four".