221022210033 has 32 divisors (see below), whose sum is σ = 330725788800. Its totient is φ = 145875038400.

The previous prime is 221022210029. The next prime is 221022210037. The reversal of 221022210033 is 330012220122.

It is an interprime number because it is at equal distance from previous prime (221022210029) and next prime (221022210037).

It is not a de Polignac number, because 221022210033 - 2² = 221022210029 is a prime.

It is a super-2 number, since 2×221022210033² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221022209988 and 221022210015.

It is not an unprimeable number, because it can be changed into a prime (221022210037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1414863 + ... + 1563291.

It is an arithmetic number, because the mean of its divisors is an integer number (10335180900).

Almost surely, 2^221022210033 is an apocalyptic number.

It is an amenable number.

221022210033 is a deficient number, since it is larger than the sum of its proper divisors (109703578767).

221022210033 is a wasteful number, since it uses less digits than its factorization.

221022210033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148990 (or 148984 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 221022210033 its reverse (330012220122), we get a palindrome (551034430155).

The spelling of 221022210033 in words is "two hundred twenty-one billion, twenty-two million, two hundred ten thousand, thirty-three".