222002220021202 has 4 divisors (see below), whose sum is σ = 333003330031806. Its totient is φ = 111001110010600.

The previous prime is 222002220021199. The next prime is 222002220021209. The reversal of 222002220021202 is 202120022200222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 200652636066481 + 21349583954721 = 14165191^2 + 4620561^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222002220021202.

It is not an unprimeable number, because it can be changed into a prime (222002220021209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500555005299 + ... + 55500555005302.

Almost surely, 2^{222002220021202} is an apocalyptic number.

222002220021202 is a deficient number, since it is larger than the sum of its proper divisors (111001110010604).

222002220021202 is a wasteful number, since it uses less digits than its factorization.

222002220021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111001110010603.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 222002220021202 its reverse (202120022200222), we get a palindrome (424122242221424).

The spelling of 222002220021202 in words is "two hundred twenty-two trillion, two billion, two hundred twenty million, twenty-one thousand, two hundred two".