22243200442 has 8 divisors (see below), whose sum is σ = 33366719232. Its totient is φ = 11120960700.

The previous prime is 22243200437. The next prime is 22243200527. The reversal of 22243200442 is 24400234222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275034 + ... + 346597.

It is an arithmetic number, because the mean of its divisors is an integer number (4170839904).

Almost surely, 2^22243200442 is an apocalyptic number.

22243200442 is a deficient number, since it is larger than the sum of its proper divisors (11123518790).

22243200442 is a wasteful number, since it uses less digits than its factorization.

22243200442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639524.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22243200442 its reverse (24400234222), we get a palindrome (46643434664).

The spelling of 22243200442 in words is "twenty-two billion, two hundred forty-three million, two hundred thousand, four hundred forty-two".