22414521 has 8 divisors (see below), whose sum is σ = 29907904. Its totient is φ = 14932080.

The previous prime is 22414501. The next prime is 22414523. The reversal of 22414521 is 12541422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22414521 - 2⁷ = 22414393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22414523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6636 + ... + 9426.

It is an arithmetic number, because the mean of its divisors is an integer number (3738488).

Almost surely, 2^22414521 is an apocalyptic number.

It is an amenable number.

22414521 is a deficient number, since it is larger than the sum of its proper divisors (7493383).

22414521 is a wasteful number, since it uses less digits than its factorization.

22414521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471.

The product of its digits is 640, while the sum is 21.

The square root of 22414521 is about 4734.3976385597. The cubic root of 22414521 is about 281.9528491159.

Adding to 22414521 its reverse (12541422), we get a palindrome (34955943).

The spelling of 22414521 in words is "twenty-two million, four hundred fourteen thousand, five hundred twenty-one".