222021202 has 8 divisors (see below), whose sum is σ = 358649676. Its totient is φ = 102471312.

The previous prime is 222021199. The next prime is 222021203. The reversal of 222021202 is 202120222.

It can be written as a sum of positive squares in 2 ways, for example, as 176066361 + 45954841 = 13269^2 + 6779^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (222021203) 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, 4269613 + ... + 4269664.

Almost surely, 2^222021202 is an apocalyptic number.

222021202 is a deficient number, since it is larger than the sum of its proper divisors (136628474).

222021202 is a wasteful number, since it uses less digits than its factorization.

222021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539292.

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

The square root of 222021202 is about 14900.3759012986. The cubic root of 222021202 is about 605.5241701858.

Adding to 222021202 its reverse (202120222), we get a palindrome (424141424).

It can be divided in two parts, 22 and 2021202, that multiplied together give a palindrome (44466444).

The spelling of 222021202 in words is "two hundred twenty-two million, twenty-one thousand, two hundred two".