22120270 has 16 divisors (see below), whose sum is σ = 39897360. Its totient is φ = 8830144.

The previous prime is 22120253. The next prime is 22120277. The reversal of 22120270 is 7202122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3666 + ... + 7594.

It is an arithmetic number, because the mean of its divisors is an integer number (2493585).

Almost surely, 2^22120270 is an apocalyptic number.

22120270 is a deficient number, since it is larger than the sum of its proper divisors (17777090).

22120270 is a wasteful number, since it uses less digits than its factorization.

22120270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 22120270 is about 4703.2191103541. The cubic root of 22120270 is about 280.7136133995.

Adding to 22120270 its reverse (7202122), we get a palindrome (29322392).

The spelling of 22120270 in words is "twenty-two million, one hundred twenty thousand, two hundred seventy".