202222222222 has 4 divisors (see below), whose sum is σ = 303333333336. Its totient is φ = 101111111110.

The previous prime is 202222222201. The next prime is 202222222273. The reversal of 202222222222 is 222222222202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222222222202 = 2 ⋅111111111101.

202222222222 is a modest number, since divided by 222222 gives 202222 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 202222222193 and 202222222202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555555554 + ... + 50555555557.

It is an arithmetic number, because the mean of its divisors is an integer number (75833333334).

Almost surely, 2^202222222222 is an apocalyptic number.

202222222222 is a deficient number, since it is larger than the sum of its proper divisors (101111111114).

202222222222 is a wasteful number, since it uses less digits than its factorization.

202222222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101111111113.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 202222222222 its reverse (222222222202), we get a palindrome (424444444424).

It can be divided in two parts, 202 and 222222222, that multiplied together give a palindrome (44888888844).

The spelling of 202222222222 in words is "two hundred two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-two".