1022612202 has 40 divisors (see below), whose sum is σ = 2298752676. Its totient is φ = 339778368.

The previous prime is 1022612189. The next prime is 1022612209. The reversal of 1022612202 is 2022162201.

1022612202 is a `hidden beast` number, since 10 + 22 + 612 + 20 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 705380481 + 317231721 = 26559^2 + 17811^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1022612209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41398 + ... + 61310.

Almost surely, 2^1022612202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022612202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149376338).

1022612202 is an abundant number, since it is smaller than the sum of its proper divisors (1276140474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022612202 is a wasteful number, since it uses less digits than its factorization.

1022612202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20244 (or 20235 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1022612202 is about 31978.3083042240. The cubic root of 1022612202 is about 1007.4812913708.

Adding to 1022612202 its reverse (2022162201), we get a palindrome (3044774403).

The spelling of 1022612202 in words is "one billion, twenty-two million, six hundred twelve thousand, two hundred two".