9220002021 has 24 divisors (see below), whose sum is σ = 13373212320. Its totient is φ = 6121130400.

The previous prime is 9220002013. The next prime is 9220002047. The reversal of 9220002021 is 1202000229.

It is not a de Polignac number, because 9220002021 - 2³ = 9220002013 is a prime.

It is a super-3 number, since 3×9220002021³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9220001985 and 9220002003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9220002521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5090206 + ... + 5092016.

It is an arithmetic number, because the mean of its divisors is an integer number (557217180).

Almost surely, 2^9220002021 is an apocalyptic number.

It is an amenable number.

9220002021 is a deficient number, since it is larger than the sum of its proper divisors (4153210299).

9220002021 is a wasteful number, since it uses less digits than its factorization.

9220002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857 (or 3854 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 9220002021 is about 96020.8415970200. The cubic root of 9220002021 is about 2096.8965512553.

The spelling of 9220002021 in words is "nine billion, two hundred twenty million, two thousand, twenty-one".