221041022 has 24 divisors (see below), whose sum is σ = 355930200. Its totient is φ = 102909168.

The previous prime is 221041019. The next prime is 221041031. The reversal of 221041022 is 220140122.

It is a junction number, because it is equal to n+sod(n) for n = 221040988 and 221041006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40004 + ... + 45192.

It is an arithmetic number, because the mean of its divisors is an integer number (14830425).

Almost surely, 2^221041022 is an apocalyptic number.

221041022 is a deficient number, since it is larger than the sum of its proper divisors (134889178).

221041022 is a wasteful number, since it uses less digits than its factorization.

221041022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288 (or 5269 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 221041022 is about 14867.4484024664. The cubic root of 221041022 is about 604.6317655370.

Adding to 221041022 its reverse (220140122), we get a palindrome (441181144).

The spelling of 221041022 in words is "two hundred twenty-one million, forty-one thousand, twenty-two".