22024061 has 4 divisors (see below), whose sum is σ = 23319612. Its totient is φ = 20728512.

The previous prime is 22024031. The next prime is 22024073. The reversal of 22024061 is 16042022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16042022 = 2 ⋅8021011.

It can be written as a sum of positive squares in 2 ways, for example, as 13579225 + 8444836 = 3685^2 + 2906^2 .

It is a cyclic number.

It is not a de Polignac number, because 22024061 - 2¹⁸ = 21761917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1295533 = 22024061 / (2 + 2 + 0 + 2 + 4 + 0 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22024001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647750 + ... + 647783.

It is an arithmetic number, because the mean of its divisors is an integer number (5829903).

Almost surely, 2^22024061 is an apocalyptic number.

It is an amenable number.

22024061 is a deficient number, since it is larger than the sum of its proper divisors (1295551).

22024061 is a wasteful number, since it uses less digits than its factorization.

22024061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295550.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22024061 is about 4692.9799701256. The cubic root of 22024061 is about 280.3060471635.

Adding to 22024061 its reverse (16042022), we get a palindrome (38066083).

The spelling of 22024061 in words is "twenty-two million, twenty-four thousand, sixty-one".