1022202021 has 8 divisors (see below), whose sum is σ = 1379357280. Its totient is φ = 673257392.

The previous prime is 1022202017. The next prime is 1022202047. The reversal of 1022202021 is 1202022201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022202021 - 2² = 1022202017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022201988 and 1022202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022202001) 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, 2052366 + ... + 2052863.

It is an arithmetic number, because the mean of its divisors is an integer number (172419660).

Almost surely, 2^1022202021 is an apocalyptic number.

It is an amenable number.

1022202021 is a deficient number, since it is larger than the sum of its proper divisors (357155259).

1022202021 is an equidigital number, since it uses as much as digits as its factorization.

1022202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105315.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1022202021 is about 31971.8942354062. The cubic root of 1022202021 is about 1007.3465694146.

Adding to 1022202021 its reverse (1202022201), we get a palindrome (2224224222).

The spelling of 1022202021 in words is "one billion, twenty-two million, two hundred two thousand, twenty-one".