22020242 has 8 divisors (see below), whose sum is σ = 33062256. Its totient is φ = 10999492.

The previous prime is 22020227. The next prime is 22020277. The reversal of 22020242 is 24202022.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2408 + ... + 7059.

It is an arithmetic number, because the mean of its divisors is an integer number (4132782).

Almost surely, 2^22020242 is an apocalyptic number.

22020242 is a deficient number, since it is larger than the sum of its proper divisors (11042014).

22020242 is a wasteful number, since it uses less digits than its factorization.

22020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10632.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22020242 is about 4692.5730681578. The cubic root of 22020242 is about 280.2898444193.

Adding to 22020242 its reverse (24202022), we get a palindrome (46222264).

The spelling of 22020242 in words is "twenty-two million, twenty thousand, two hundred forty-two".