2201922 has 24 divisors (see below), whose sum is σ = 4808700. Its totient is φ = 728160.

The previous prime is 2201921. The next prime is 2201933. The reversal of 2201922 is 2291022.

It can be written as a sum of positive squares in 2 ways, for example, as 1962801 + 239121 = 1401^2 + 489^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2201895 and 2201904.

It is not an unprimeable number, because it can be changed into a prime (2201921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2272 + ... + 3092.

2^2201922 is an apocalyptic number.

2201922 is an abundant number, since it is smaller than the sum of its proper divisors (2606778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201922 is a wasteful number, since it uses less digits than its factorization.

2201922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 975 counting only the distinct ones).

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

The square root of 2201922 is about 1483.8874620402. The cubic root of 2201922 is about 130.0970084603.

Adding to 2201922 its reverse (2291022), we get a palindrome (4492944).

The spelling of 2201922 in words is "two million, two hundred one thousand, nine hundred twenty-two".