20002226 has 8 divisors (see below), whose sum is σ = 31307904. Its totient is φ = 9566260.

The previous prime is 20002201. The next prime is 20002261. The reversal of 20002226 is 62220002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20002226.

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, 217370 + ... + 217461.

It is an arithmetic number, because the mean of its divisors is an integer number (3913488).

Almost surely, 2^20002226 is an apocalyptic number.

20002226 is a deficient number, since it is larger than the sum of its proper divisors (11305678).

20002226 is a wasteful number, since it uses less digits than its factorization.

20002226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434856.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20002226 is about 4472.3848224409. The cubic root of 20002226 is about 271.4518317753.

Adding to 20002226 its reverse (62220002), we get a palindrome (82222228).

The spelling of 20002226 in words is "twenty million, two thousand, two hundred twenty-six".