1000020222190 has 16 divisors (see below), whose sum is σ = 1963676072880. Its totient is φ = 363643717120.

The previous prime is 1000020222151. The next prime is 1000020222199. The reversal of 1000020222190 is 912220200001.

It is a super-2 number, since 2×1000020222190² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000020222199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4545546355 + ... + 4545546574.

It is an arithmetic number, because the mean of its divisors is an integer number (122729754555).

Almost surely, 2^{1000020222190} is an apocalyptic number.

1000020222190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000020222190 is a deficient number, since it is larger than the sum of its proper divisors (963655850690).

1000020222190 is a wasteful number, since it uses less digits than its factorization.

1000020222190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091092947.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1000020222190 its reverse (912220200001), we get a palindrome (1912240422191).

The spelling of 1000020222190 in words is "one trillion, twenty million, two hundred twenty-two thousand, one hundred ninety".