22040434 has 16 divisors (see below), whose sum is σ = 35703360. Its totient is φ = 10144080.

The previous prime is 22040429. The next prime is 22040441. The reversal of 22040434 is 43404022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10449 + ... + 12379.

It is an arithmetic number, because the mean of its divisors is an integer number (2231460).

Almost surely, 2^22040434 is an apocalyptic number.

22040434 is a deficient number, since it is larger than the sum of its proper divisors (13662926).

22040434 is a wasteful number, since it uses less digits than its factorization.

22040434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22040434 is about 4694.7240600487. The cubic root of 22040434 is about 280.3754911244.

Adding to 22040434 its reverse (43404022), we get a palindrome (65444456).

The spelling of 22040434 in words is "twenty-two million, forty thousand, four hundred thirty-four".