22040434442 has 16 divisors (see below), whose sum is σ = 35839571712. Its totient is φ = 10105138800.

The previous prime is 22040434357. The next prime is 22040434523. The reversal of 22040434442 is 24443404022.

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, 2803058 + ... + 2810909.

It is an arithmetic number, because the mean of its divisors is an integer number (2239973232).

Almost surely, 2^22040434442 is an apocalyptic number.

22040434442 is a deficient number, since it is larger than the sum of its proper divisors (13799137270).

22040434442 is a wasteful number, since it uses less digits than its factorization.

22040434442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614133.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 22040434442 its reverse (24443404022), we get a palindrome (46483838464).

The spelling of 22040434442 in words is "twenty-two billion, forty million, four hundred thirty-four thousand, four hundred forty-two".