1022222202 has 8 divisors (see below), whose sum is σ = 2044444416. Its totient is φ = 340740732.

The previous prime is 1022222147. The next prime is 1022222203. The reversal of 1022222202 is 2022222201.

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

1022222202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1022222203) 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, 85185178 + ... + 85185189.

It is an arithmetic number, because the mean of its divisors is an integer number (255555552).

Almost surely, 2^1022222202 is an apocalyptic number.

1022222202 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.

1022222202 is a wasteful number, since it uses less digits than its factorization.

1022222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170370372.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1022222202 is about 31972.2098391713. The cubic root of 1022222202 is about 1007.3531986089.

Adding to 1022222202 its reverse (2022222201), we get a palindrome (3044444403).

Subtracting 1022222202 from its reverse (2022222201), we obtain a palindrome (999999999).

The spelling of 1022222202 in words is "one billion, twenty-two million, two hundred twenty-two thousand, two hundred two".