1022202196 has 6 divisors (see below), whose sum is σ = 1788853850. Its totient is φ = 511101096.

The previous prime is 1022202191. The next prime is 1022202211. The reversal of 1022202196 is 6912022201.

It can be written as a sum of positive squares in only one way, i.e., 518199696 + 504002500 = 22764^2 + 22450^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1022202196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022202191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127775271 + ... + 127775278.

Almost surely, 2^1022202196 is an apocalyptic number.

It is an amenable number.

1022202196 is a deficient number, since it is larger than the sum of its proper divisors (766651654).

1022202196 is a wasteful number, since it uses less digits than its factorization.

1022202196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255550553 (or 255550551 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1022202196 is about 31971.8969721848. The cubic root of 1022202196 is about 1007.3466269002.

Adding to 1022202196 its reverse (6912022201), we get a palindrome (7934224397).

The spelling of 1022202196 in words is "one billion, twenty-two million, two hundred two thousand, one hundred ninety-six".