22261124 has 12 divisors (see below), whose sum is σ = 40010124. Its totient is φ = 10829664.

The previous prime is 22261123. The next prime is 22261147. The reversal of 22261124 is 42116222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19802500 + 2458624 = 4450^2 + 1568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22261096 and 22261105.

It is not an unprimeable number, because it can be changed into a prime (22261123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75059 + ... + 75354.

It is an arithmetic number, because the mean of its divisors is an integer number (3334177).

Almost surely, 2^22261124 is an apocalyptic number.

It is an amenable number.

22261124 is a deficient number, since it is larger than the sum of its proper divisors (17749000).

22261124 is a wasteful number, since it uses less digits than its factorization.

22261124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150454 (or 150452 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 22261124 is about 4718.1695603274. The cubic root of 22261124 is about 281.3081812803.

Adding to 22261124 its reverse (42116222), we get a palindrome (64377346).

The spelling of 22261124 in words is "twenty-two million, two hundred sixty-one thousand, one hundred twenty-four".