22201402 has 8 divisors (see below), whose sum is σ = 33441012. Its totient is φ = 11054400.

The previous prime is 22201393. The next prime is 22201409. The reversal of 22201402 is 20410222.

It can be written as a sum of positive squares in 2 ways, for example, as 21818241 + 383161 = 4671^2 + 619^2 .

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 (22201409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22549 + ... + 23512.

Almost surely, 2^22201402 is an apocalyptic number.

22201402 is a deficient number, since it is larger than the sum of its proper divisors (11239610).

22201402 is a wasteful number, since it uses less digits than its factorization.

22201402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46304.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 22201402 is about 4711.8363723712. The cubic root of 22201402 is about 281.0563920544.

Adding to 22201402 its reverse (20410222), we get a palindrome (42611624).

The spelling of 22201402 in words is "twenty-two million, two hundred one thousand, four hundred two".