22202402 has 8 divisors (see below), whose sum is σ = 34116012. Its totient is φ = 10830400.

The previous prime is 22202387. The next prime is 22202407. The reversal of 22202402 is 20420222.

It can be written as a sum of positive squares in 2 ways, for example, as 22080601 + 121801 = 4699^2 + 349^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22202407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135299 + ... + 135462.

Almost surely, 2^22202402 is an apocalyptic number.

22202402 is a deficient number, since it is larger than the sum of its proper divisors (11913610).

22202402 is a wasteful number, since it uses less digits than its factorization.

22202402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270804.

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

The square root of 22202402 is about 4711.9424869156. The cubic root of 22202402 is about 281.0606117905.

Adding to 22202402 its reverse (20420222), we get a palindrome (42622624).

The spelling of 22202402 in words is "twenty-two million, two hundred two thousand, four hundred two".