2220022202 has 4 divisors (see below), whose sum is σ = 3330033306. Its totient is φ = 1110011100.

The previous prime is 2220022201. The next prime is 2220022243. The reversal of 2220022202 is 2022200222.

It is a happy number.

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., 2144523481 + 75498721 = 46309^2 + 8689^2 .

It is not an unprimeable number, because it can be changed into a prime (2220022201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555005549 + ... + 555005552.

Almost surely, 2^2220022202 is an apocalyptic number.

2220022202 is a deficient number, since it is larger than the sum of its proper divisors (1110011104).

2220022202 is a wasteful number, since it uses less digits than its factorization.

2220022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110011103.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2220022202 is about 47117.1115625735. Note that the first 3 decimals coincide. The cubic root of 2220022202 is about 1304.5250988002.

Adding to 2220022202 its reverse (2022200222), we get a palindrome (4242222424).

The spelling of 2220022202 in words is "two billion, two hundred twenty million, twenty-two thousand, two hundred two".