22470002 has 4 divisors (see below), whose sum is σ = 33705006. Its totient is φ = 11235000.

The previous prime is 22470001. The next prime is 22470029. The reversal of 22470002 is 20007422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22458121 + 11881 = 4739^2 + 109^2 .

It is not an unprimeable number, because it can be changed into a prime (22470001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5617499 + ... + 5617502.

Almost surely, 2^22470002 is an apocalyptic number.

22470002 is a deficient number, since it is larger than the sum of its proper divisors (11235004).

22470002 is a wasteful number, since it uses less digits than its factorization.

22470002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11235003.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 22470002 is about 4740.2533687557. The cubic root of 22470002 is about 282.1852897596.

Adding to 22470002 its reverse (20007422), we get a palindrome (42477424).

The spelling of 22470002 in words is "twenty-two million, four hundred seventy thousand, two".