22121202 has 8 divisors (see below), whose sum is σ = 44242416. Its totient is φ = 7373732.

The previous prime is 22121201. The next prime is 22121213. The reversal of 22121202 is 20212122.

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

22121202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22121201) 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, 1843428 + ... + 1843439.

It is an arithmetic number, because the mean of its divisors is an integer number (5530302).

Almost surely, 2^22121202 is an apocalyptic number.

22121202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121202 is a wasteful number, since it uses less digits than its factorization.

22121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686872.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 22121202 is about 4703.3181903843. The cubic root of 22121202 is about 280.7175558079.

Adding to 22121202 its reverse (20212122), we get a palindrome (42333324).

It can be divided in two parts, 2212120 and 2, that added together give a palindrome (2212122).

The spelling of 22121202 in words is "twenty-two million, one hundred twenty-one thousand, two hundred two".