22014457 has 8 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 21774000.

The previous prime is 22014449. The next prime is 22014463. The reversal of 22014457 is 75441022.

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

It is a cyclic number.

It is not a de Polignac number, because 22014457 - 2³ = 22014449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22014467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57288 + ... + 57670.

It is an arithmetic number, because the mean of its divisors is an integer number (2782080).

Almost surely, 2^22014457 is an apocalyptic number.

It is an amenable number.

22014457 is a deficient number, since it is larger than the sum of its proper divisors (242183).

22014457 is a wasteful number, since it uses less digits than its factorization.

22014457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 22014457 is about 4691.9566281030. The cubic root of 22014457 is about 280.2652970239.

Adding to 22014457 its reverse (75441022), we get a palindrome (97455479).

The spelling of 22014457 in words is "twenty-two million, fourteen thousand, four hundred fifty-seven".