22124661 has 32 divisors (see below), whose sum is σ = 33116160. Its totient is φ = 13051584.

The previous prime is 22124653. The next prime is 22124677. The reversal of 22124661 is 16642122.

It is not a de Polignac number, because 22124661 - 2³ = 22124653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22124611) 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, 132400 + ... + 132566.

It is an arithmetic number, because the mean of its divisors is an integer number (1034880).

Almost surely, 2^22124661 is an apocalyptic number.

It is an amenable number.

22124661 is a deficient number, since it is larger than the sum of its proper divisors (10991499).

22124661 is a wasteful number, since it uses less digits than its factorization.

22124661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305.

The product of its digits is 1152, while the sum is 24.

The square root of 22124661 is about 4703.6858951252. The cubic root of 22124661 is about 280.7321865894.

Adding to 22124661 its reverse (16642122), we get a palindrome (38766783).

The spelling of 22124661 in words is "twenty-two million, one hundred twenty-four thousand, six hundred sixty-one".